Further fixes for recent regressions – Vivaldi Browser snapshot 2115.54

[Hadden89]

Just tested. Now flags seems to be working

[Vistaus]

Since this update, Mail doesn't show read emails anymore in my Inbox... I use Outlook.com as my email service.

[potmeklecbohdan]

@Alacho

@luetage said in QC: searching with default SE & nickname adds the nickname to search string:

Reported the new one as VB-74941