image-dialog: Add osd back/forward buttons
Remove ImagDialog in favor of MediaImageWidget
MediaDialog: Replace the correct child
Remove leftover ui file
Drop VideoDialog and use MediaVideoWidget instead
TweetUtils: Remove old code
TweetInfoPage: Fix media clicked signal handler
MediaDialog: Manage back/forward button visibility
MediaDialog: React to size changes of media
MediaDialog: Avoid null warning when changing media
list-statuses-page: Remove references to non-existant adjustments
settings-dialog: Remove colons from labels
media-dialog: Center the osd_box
MediaDialog: Avoid resizing to 0
MediaDialog: Show/hide back/forward buttons on mouse enter/leave
MediaDialog: Allow switching media with left/right keys
Merge branch 'main-widget' into media-switcher

Conflicts:
	src/list/TweetListEntry.vala
Merge branch 'media-switcher'
TweetListEntry: Don't forget retweeted_cb
MediaDialog: Route events from the overlay box down to the child