fix: macos fullscreen state (#8110)

Signed-off-by: fufesou <shuanglongchen@yeah.net>

flutter/lib/desktop/pages/remote_page.dart

@@ -209,6 +209,22 @@ class _RemotePageState extends State<RemotePage>
     }
   }
 
+  @override
+  void onWindowEnterFullScreen() {
+    super.onWindowEnterFullScreen();
+    if (isMacOS) {
+      stateGlobal.setFullscreen(true);
+    }
+  }
+
+  @override
+  void onWindowLeaveFullScreen() {
+    super.onWindowLeaveFullScreen();
+    if (isMacOS) {
+      stateGlobal.setFullscreen(false);
+    }
+  }
+
   @override
   Future<void> dispose() async {
     final closeSession = closeSessionOnDispose.remove(widget.id) ?? true;