- refresh the symbolic icons to sync some style changes and update the source sheet
- rename assets for the privacy subpanel's symbolic icons
- delete deprecated/unused symbolic icons
- add new icon for system panel
- add new icon for remote desktop so it isn't using displays icons
- Use the up-to-date style for symbolics (2px outline). Notifications, Printers and Info/About
work fine as outlines.
- filled silouehette symbolic are only to be used where a 2px outline is impossible
to cram to 16x16px canvas.