1912742 - The recently closed tab reappears in its previous position but without the content preview by using 'UNDO' button in the tabs tray

Status: NEW

(Firefox for Android :: Tabs, defect, P2)

Description

[scenariobug9]

Attachment: Screen_recording.mp4

Steps to reproduce

1. Open multiple tabs
2. Access the tabs tray to view all tabs
3. Close a tab using the 'X' button.
4. Tap the 'UNDO' button in the notification.

Expected behavior

The recently closed tab should reappear in its previous place promptly with the preview content.

Actual behavior

The recently closed tab reappears in its previous place promptly but without the preview content.

Comment 1

[scenariobug9]

Attachment: Screenshot.png

Delete the highlighted tab, shown in the first sceenshot
Click the 'Undo' button, shown in the second screenshot, then the third screenshot

Comment 2

[BugBot [:suhaib / :marco/ :calixte]]

The severity field is not set for this bug.
:007, could you have a look please?

For more information, please visit BugBot documentation.

Comment 3

[Noah Bond [:007]]

we'll need to investigate why the thumbnail is deleted before the Snackbar goes away.

ThumbnailStorage
ThumbnailsMiddleware

We might need to implement something similar to the UndoMiddleware logic path.