Bugzilla

### Steps to reproduce

1. Set Firefox as your default browser.
2. Tap a link to a PDF in your email, e.g. this link: https://www.adobe.com/support/products/enterprise/knowledgecenter/media/c4611_sample_explain.pdf
3. In the Firefox "App Tab" that appears, tap the 3-dot-menu and select "Find in page"
4. Type a word that you see in the PDF, e.g. "prepared", and notice that the match gets visually highlighted in the PDF.
5. Swipe up from the bottom of your screen (the Android "home" gesture) to put the app in the background.
6. Tap your email app icon to return to seeing the App Tab that you were just looking at.

### Expected behavior
The app tab should look identical at the end of step 4 & step 6 (with find-in-page active **and visible**)


### Actual behavior
At the end of step 6, the find-in-page UI is active **but the search bar is covered up**! You can tell it's active because:
* the find-in-page match  ("Prepared") is still highlighted.
* if you have scroll-to-hide dynamic toolbar enabled (default), then you can also see the findbar's buggy blank area (described in bug 1904951) sticking up from the bottom toolbar, from the covered-up findbar.


### Device information

* Firefox version: 129.0a1 2024-06-25
* Android device model: Pixel 8
* Android OS version: 14

### Steps to reproduce

1. Set Firefox as your default browser.
2. Tap a link to a PDF in your email, e.g. this link: https://www.adobe.com/support/products/enterprise/knowledgecenter/media/c4611_sample_explain.pdf
3. In the Firefox "App Tab" that appears, tap the 3-dot-menu and select "Find in page"
4. Type a word that you see in the PDF, e.g. "prepared", and notice that the match gets visually highlighted in the PDF.
5. Swipe up from the bottom of your screen (the Android "home" gesture) to put the app in the background.
6. Tap your email app icon to return to seeing the App Tab that you were just looking at.

### Expected behavior
The app tab should look identical at the end of step 4 & step 6 (with find-in-page active **and visible**)


### Actual behavior
At the end of step 6, the find-in-page UI is active **but the search bar is covered up**! You can tell it's active because:
* the find-in-page match  ("Prepared") is still highlighted.
* if you have scroll-to-hide dynamic toolbar enabled (default), then you can also see the findbar's buggy blank area (described in bug 1904951) sticking up from the bottom toolbar, from the covered-up findbar.
...but you can't actually see the searchbar itself (which also means there's no way to cancel out of it, other than by reactivating it as described in step 3).


### Device information

* Firefox version: 129.0a1 2024-06-25
* Android device model: Pixel 8
* Android OS version: 14

### Steps to reproduce

1. Set Firefox as your default browser.
2. Tap a link to a PDF in your email, e.g. this link: https://www.adobe.com/support/products/enterprise/knowledgecenter/media/c4611_sample_explain.pdf
3. In the Firefox "App Tab" that appears, tap the 3-dot-menu and select "Find in page"
4. Type a word that you see in the PDF, e.g. "prepared", and notice that the match gets visually highlighted in the PDF.
5. Swipe up from the bottom of your screen (the Android "home" gesture) to put the app in the background.
6. Tap your email app icon to return to seeing the App Tab that you were just looking at.

### Expected behavior
The app tab should look identical at the end of step 4 & step 6 (with find-in-page active **and visible**)


### Actual behavior
At the end of step 6, the find-in-page UI is active **but the search bar is covered up**! You can tell it's active because:
* the find-in-page match  ("Prepared") is still highlighted.
* if you have scroll-to-hide dynamic toolbar enabled (default), then you can also see the findbar's buggy blank area (described in bug 1904951) sticking up from the bottom toolbar, from the covered-up findbar.

...but you can't actually see the searchbar itself (which also means there's no way to tap its "x" to cancel out of it; though you can force it to reappear by reactivating it as described in step 3).


### Device information

* Firefox version: 129.0a1 2024-06-25
* Android device model: Pixel 8
* Android OS version: 14

### Steps to reproduce

1. Set Firefox as your default browser.
2. Tap a link to a PDF in your email, e.g. this link: https://www.adobe.com/support/products/enterprise/knowledgecenter/media/c4611_sample_explain.pdf
3. In the Firefox "App Tab" that appears, tap the 3-dot-menu and select "Find in page"
4. Type a word that you see in the PDF, e.g. "prepared", and then tap the downarrow at bottom-left to hide your keyboard. (Notice that the match gets visually highlighted in the PDF.)
5. Swipe up from the bottom of your screen (the Android "home" gesture) to put the app in the background.
6. Tap your email app icon to return to seeing the App Tab that you were just looking at.

### Expected behavior
The app tab should look identical at the end of step 4 & step 6 (with find-in-page active **and visible**)


### Actual behavior
At the end of step 6, the find-in-page UI is active **but the search bar is covered up**! You can tell it's active because:
* the find-in-page match  ("Prepared") is still highlighted.
* if you have scroll-to-hide dynamic toolbar enabled (default), then you can also see the findbar's buggy blank area (described in bug 1904951) sticking up from the bottom toolbar, from the covered-up findbar.

...but you can't actually see the searchbar itself (which also means there's no way to tap its "x" to cancel out of it; though you can force it to reappear by reactivating it as described in step 3).


### Device information

* Firefox version: 129.0a1 2024-06-25
* Android device model: Pixel 8
* Android OS version: 14

[EDIT: See slightly-better STR in comment 12, getting a bit more to-the-point here]

### Steps to reproduce

1. Set Firefox as your default browser.
2. Tap a link to a PDF in your email, e.g. this link: https://www.adobe.com/support/products/enterprise/knowledgecenter/media/c4611_sample_explain.pdf
3. In the Firefox "App Tab" that appears, tap the 3-dot-menu and select "Find in page"
4. Type a word that you see in the PDF, e.g. "prepared", and then tap the downarrow at bottom-left to hide your keyboard. (Notice that the match gets visually highlighted in the PDF.)
5. Swipe up from the bottom of your screen (the Android "home" gesture) to put the app in the background.
6. Tap your email app icon to return to seeing the App Tab that you were just looking at.

### Expected behavior
The app tab should look identical at the end of step 4 & step 6 (with find-in-page active **and visible**)


### Actual behavior
At the end of step 6, the find-in-page UI is active **but the search bar is covered up**! You can tell it's active because:
* the find-in-page match  ("Prepared") is still highlighted.
* if you have scroll-to-hide dynamic toolbar enabled (default), then you can also see the findbar's buggy blank area (described in bug 1904951) sticking up from the bottom toolbar, from the covered-up findbar.

...but you can't actually see the searchbar itself (which also means there's no way to tap its "x" to cancel out of it; though you can force it to reappear by reactivating it as described in step 3).


### Device information

* Firefox version: 129.0a1 2024-06-25
* Android device model: Pixel 8
* Android OS version: 14