Fix audio attachments opening in video modal from media tab in web UI (#12056)

Fix video attachments having a GIF label in media tab in web UI

app/javascript/mastodon/features/ui/components/modal_root.js

@@ -9,6 +9,7 @@ import ActionsModal from './actions_modal';
 import MediaModal from './media_modal';
 import VideoModal from './video_modal';
 import BoostModal from './boost_modal';
+import AudioModal from './audio_modal';
 import ConfirmationModal from './confirmation_modal';
 import FocalPointModal from './focal_point_modal';
 import {
@@ -23,6 +24,7 @@ import {
 const MODAL_COMPONENTS = {
   'MEDIA': () => Promise.resolve({ default: MediaModal }),
   'VIDEO': () => Promise.resolve({ default: VideoModal }),
+  'AUDIO': () => Promise.resolve({ default: AudioModal }),
   'BOOST': () => Promise.resolve({ default: BoostModal }),
   'CONFIRM': () => Promise.resolve({ default: ConfirmationModal }),
   'MUTE': MuteModal,