[Glitch] Change design of edit media modal in web UI

Port 11786f1114 to glitch-soc

Signed-off-by: Claire <claire.github-309c@sitedethib.com>

app/javascript/flavours/glitch/api/compose.ts

@@ -0,0 +1,7 @@
+import { apiRequestPut } from 'flavours/glitch/api';
+import type { ApiMediaAttachmentJSON } from 'flavours/glitch/api_types/media_attachments';
+
+export const apiUpdateMedia = (
+  id: string,
+  params?: { description?: string; focus?: string },
+) => apiRequestPut<ApiMediaAttachmentJSON>(`v1/media/${id}`, params);