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.
