fix: toggle menu button when updates change

Author: feildmaster

src/hooks/updates.js

@@ -133,10 +133,16 @@ async function check(auto = true) {
     autoTimeout = 0;
   }
 
+  const previousState = !pendingUpdates.size;
+
   if (!disabled.value()) {
     await eventManager.async.emit(':update', auto);
   }
 
+  if (!pendingUpdates.size !== previousState) {
+    menu.dirty();
+  }
+
   function finish() {
     toast?.close();
     eventManager.emit(':update:finished');