fix: replace noop function (#2744)

packages/component/src/components/app-sidebar/app-updater-button/index.jotai.ts

@@ -24,7 +24,7 @@ function rpcToObservable<
     onSubscribe?.();
     if (typeof window === 'undefined' || !env.isDesktop || !event) {
       subscriber.complete();
-      return () => {};
+      return;
     }
     handler?.()
       .then(t => {

packages/component/src/components/app-sidebar/spolight/index.tsx

@@ -30,7 +30,7 @@ function useMouseOffset() {
         el.removeEventListener('mouseleave', onMouseLeave);
       };
     }
-    return () => {};
+    return;
   }, []);
 
   return [offset, outside, ref] as const;