fix: keep update UI pending until reload

Author: Just-Insane

src/app/features/settings/about/About.tsx

@@ -235,9 +235,6 @@ export function About({ requestBack, requestClose }: Readonly<AboutProps>) {
         setUpdateStatusMessage(
           error instanceof Error ? error.message : 'Failed to apply the update.'
         );
-      }
-    } finally {
-      if (isMountedRef.current) {
         isApplyingUpdateRef.current = false;
         setIsApplyingUpdate(false);
       }

src/app/pages/client/ClientRoot.tsx

@@ -541,8 +541,6 @@ export function ClientRoot({ children }: ClientRootProps) {
                   .then(() => {
                     if (!isMountedRef.current) return;
                     setSwUpdateError(undefined);
-                    isApplyingSwUpdateRef.current = false;
-                    setIsApplyingSwUpdate(false);
                   })
                   .catch((error) => {
                     if (!isMountedRef.current) return;