Motion playback (#10609)

* Move controls to separate component and make features configurable

* Allow playback on motion screen

* Simplify layout

* Fix seeking

* Fix playback

* fix preview scrubbing

* Fix player controls visibility

* Use opacity for both dark and light mode

web/src/components/player/PreviewPlayer.tsx

@@ -353,7 +353,7 @@ function PreviewFramesPlayer({
 
     return previewFrames.map((frame) =>
       // @ts-expect-error we know this item will exist
-      parseFloat(frame.split("-").slice(undefined, -5)),
+      parseFloat(frame.split("-").at(-1).slice(undefined, -5)),
     );
   }, [previewFrames]);