The "Open in a New Window" button from the three dot menu has no background when opened from History or Bookmarks pages

[Softvision-RemusDranca]

[Affected Versions]:

• Firefox Reality 6 RC1 (a83b2bf)

[Affected Platforms]:

• Oculus Quest - Android 7.1.1
• HTC Vive Focus Plus - Android 7.1.2

[Prerequisites]:

• The headset is turned on and the browser is opened.
• Have bookmarks and history feeds available in the History and Bookmarks pages.

[Steps to reproduce]:

1. Click the History or Bookmarks button from the tray.
2. Hover over a history feed/bookmark and click the three dot menu.
3. Observe the "Open in a New Window" button.

[Expected results]:

• The button is correctly rendered.

[Actual results]:

• The button's background is not displayed.

[Notes]:

• The background is redisplayed after the button is hovered.
• Attached is a screen recording of the issue:
  • Screen recording: link

[bluemarvin]

@keianhzo I think I saw that you were going to include this fix with another issue?

[keianhzo]

Not sure, anyways it's included now in this PR: #2106

[Softvision-RemusDranca]

@keianhzo I'm not sure if the PR also includes the situation where the "Open in a New Window" button is no longer displayed when 3 windows are opened, but I think that it's worth mentioning.

[keianhzo]

@Softvision-RemusDranca Yes, the PR included that.

[Softvision-RemusDranca]

I have verified this issue and it's no longer reproducible with the Firefox Reality RC2 6-33052017 (6725754) build.
Tested on the Oculus Quest (Android 7.1.1), Oculus Go (Android 7.1.2), HTC Vive Focus Plus (Android 7.1.2) and HTC Vive Focus (Android 7.1.2) devices.