prefs-dialog: Port to AdwDialog, AdwToolbarView, AdwSwitchRow + more
- Port to AdwDialog and AdwToolbarView and AdwSwitchRow
- Remove
margin-bottom
from AdwPreferencesPage - Add a tooltip to
updates_info_button
so it will be a11y-labelled - Don't use underscores in property names
Helps #2518 (closed) and #2354 (closed)
Edited by Automeris naranja