Bugzilla

**Affected versions**
* 75.0b7, 76.0a1 (2020-03-23);
 
**Affected platforms**
* macOS 10.15, Ubuntu 18.04, Windows 10;

**Steps to reproduce**
 might be irrelevant but for the test:
* Dom.security.featurepolicy.enabled -- set to true;
* permissions.delegation.enabled  -- set to true;

1. Launch Firefox and access: https://joo.crater.uberspace.de/frame-permissions.html
2. Click on the message icon in the address bar;

**Expected result**
* popup and contained elements are properly displayed;

**Actual result**
* selection for Learn more spans across the whole row;

**Enhancement suggestion**
* selection is limited to the length of the text;

**Regression range**
* will check if one asap;

**Additional notes**
* attached screenshot with the issue.

**Affected versions**
* 75.0b7, 76.0a1 (2020-03-23);
 
**Affected platforms**
* macOS 10.15, Ubuntu 18.04, Windows 10;

**Steps to reproduce**
Preconditions: might be irrelevant but for the test:
* Dom.security.featurepolicy.enabled -- set to true;
* permissions.delegation.enabled  -- set to true;

1. Launch Firefox and access: https://joo.crater.uberspace.de/frame-permissions.html
2. Click on the message icon in the address bar;

**Expected result**
* popup and contained elements are properly displayed;

**Actual result**
* selection for Learn more spans across the whole row;

**Enhancement suggestion**
* selection is limited to the length of the text;

**Regression range**
* will check if one asap;

**Additional notes**
* attached screenshot with the issue.

**Affected versions**
* 75.0b7, 76.0a1 (2020-03-23);
 
**Affected platforms**
* macOS 10.15, Ubuntu 18.04, Windows 10;

**Steps to reproduce**
Preconditions: might be irrelevant but for the test:
Dom.security.featurepolicy.enabled -- set to true;
permissions.delegation.enabled  -- set to true;

1. Launch Firefox and access: https://joo.crater.uberspace.de/frame-permissions.html
2. Click on the message icon in the address bar;

**Expected result**
* popup and contained elements are properly displayed;

**Actual result**
* selection for Learn more spans across the whole row;

**Enhancement suggestion**
* selection is limited to the length of the text;

**Regression range**
* will check if one asap;

**Additional notes**
* attached screenshot with the issue.