fix:3195: bad colors on selected text popup
Description
Colors of text selected popin wasn't correct in darkmode:
white on A14:
black text on dark background on A15 (make it unusable):
Switched to base theme Theme.MaterialComponents.DayNight, fix the issue:
Screenshots
A14:
A15:
Tests
Run test case display full notification content, and select the text.
Issues
https://gitlab.e.foundation/e/os/backlog/-/issues/3195#note_754034