[AC-2436] Show unassigned items banner in browser #20127

Job	Run time
Verify Electron Version	5s
Setup	9s
Linux Build	7m 37s
Windows Build	11m 33s
MacOS Build	6m 15s
Browser Build / Setup	6s
Browser Build / Locales Test	5s
Browser Build / Build Safari	5m 22s
Browser Build / Build	2m 19s
Browser Build / Crowdin Push	0s
Browser Build / Check for failures	11s
MacOS Package Prod Release Asset	7m 36s
MacOS Package GitHub Release Assets	11m 54s
MacOS Package Dev Release Asset	0s
Crowdin Push	0s
Check for failures	30s
	53m 42s

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