Fix can't switch back to default color option

- Picker can’t get the latest style after applying overlays to
  Settings. The return value of style at that time may be old
  until parseSettings() has been triggered.
- Reset source and style while applying so that it can refresh
  selected option.
- Video:
  https://drive.google.com/file/d/1njx5v6U7XKPfxkA1LI9hD6TNzgd8bwjK/

Bug: 221198961
Test: manual
Change-Id: Ie5e640da8968ec52e200949e868071a061c32f79