Merge pull request #23226 from nullaus/bug1055352

bug 1055352 - Do not process finalized state changes in the downloads li...
(cherry picked from commit 90071b13f73282c8b96990135952b4fe7eccc869)
Merge pull request #23275 from nullaus/v2.0

Merge pull request #23226 from nullaus/bug1055352
Merge pull request #23231 from 6a68/bug-1044313-fxa-tos-zindex

Bug 1044313 - EntrySheet must be a child of #screen to get correct z-ind...