[RFC] Revamp scene page (#562)

* Don't show scrubber on small height device
* Move operations into ellipsis menu
* Hide scrubber in mobile devices
* Add delete scene to operations drop down
* Remove redundant panels
* Fix video height on smaller devices
* Adjust player aspect ratio for portrait videos

ui/v2.5/src/components/Shared/ImageInput.tsx

@@ -17,7 +17,7 @@ export const ImageInput: React.FC<IImageInput> = ({
   if (!isEditing) return <div />;
 
   return (
-    <Form.Label className="image-input ml-2">
+    <Form.Label className="image-input">
       <Button variant="secondary">{text ?? "Browse for image..."}</Button>
       <Form.Control
         type="file"