Bug 1018340 - Make gaia-header edit mode exclusively visible.
Bug 1023426 - [Vertical] Remove zoom feature r=me
Merge pull request #19836 from eeejay/bug-1018340

Bug 1018340 - Make gaia-header edit mode exclusively visible. r=kgrandon
Merge pull request #20308 from KevinGrandon/bug_1023426_vertical_remove_zoom

Bug 1023426 - [Vertical] Remove zoom feature
Bug 1022383 - [Collection App] Should show four columns instead of three r=amirn
Merge pull request #20197 from KevinGrandon/bug_1022383_collection_columns

Bug 1022383 - [Collection App] Should show four columns instead of three