Show mute end date in badge (#37747)

app/javascript/mastodon/models/relationship.ts

@@ -15,8 +15,9 @@ const RelationshipFactory = Record<RelationshipShape>({
   following: false,
   id: '',
   languages: null,
-  muting_notifications: false,
   muting: false,
+  muting_notifications: false,
+  muting_expires_at: null,
   note: '',
   notifying: false,
   requested_by: false,