Multiple UI fixes

Multiple fixes for the App Clinic feedback

changed milestone to %3.5.x

added UI UX labels

requested review from @Skantes

approved this merge request

added 5 commits

• eec94e79...f3e8c6a9 - 3 commits from branch videolan:master
• 168f1617 - Fix onboarding customize screen status bar icon color
• cebd18aa - Browse screen: move the server addition to the overflow

Compare with previous version

enabled an automatic merge when the pipeline for cebd18aa succeeds

merged