Fix: on superuser status is changed we should retry loading subscriptions

Author: SludgeGirl

src/app.tsx

@@ -96,6 +96,13 @@ export const Application = () => {
                         });
     }, [backend, setLoadingSubscriptions, setSubscriptions, setUnregisteredSubscriptions, setLoadingExtensions, errors]);
 
+    useEffect(() => {
+        if (isSuperuser) {
+            setErrors([]);
+            updateSubscriptions();
+        }
+    }, [isSuperuser]);
+
     useEffect(() => {
         if (!loadedSubscriptions && backend !== null) {
             setLoadedSubscriptions(true);