Right-click a running task icon to pin the app to the dock
favourites bar. Pinned apps show a "Remove from Dock" action.
The dock overlay renders as a LayerTop window so context menus
and the dock itself stay above application windows. Menus use
popupType Window to avoid clipping inside the narrow dock
surface.
This converts many of the animation durations to Kirigami units so that
they can be controlled system wide. It also speeds up several of the
animation durations (ex. in folio) from 800ms to 400ms to improve the
feel and responsiveness of the shell.
Apparently i18n doesn't support string literals with single quotes as
parameters. Fix occurrences of this and add a CI check to ensure this
won't happen in the future.
