feat(editor): audio and PDF nodes (#2064)

* use local resizable

* feat: aduio

* support audio imports

* feat: use confluence real file names

* cleanup

* error handling

* hide notice

* add audio

* fix pulse

* Fix import and export

* unify pulse

* hide in readonly mode

* keywords

* keyword

* translations

* better sort

* feat: PDF embed

* cleanup

* remove audio menu

* open active

* hide focus on readonly mode

* increase iframe default dimension

apps/client/src/features/editor/components/image/image-view.tsx

@@ -33,6 +33,7 @@ export default function ImageView(props: NodeViewProps) {
         className={clsx(
           selected && "ProseMirror-selectednode",
           classes.imageWrapper,
+          !src && classes.skeleton,
           alignClass,
         )}
         style={{