opt: ctr

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/pages/subscription/controller.dart

@@ -83,4 +83,10 @@ class SubController extends GetxController {
       ),
     );
   }
+
+  @override
+  void onClose() {
+    scrollController.dispose();
+    super.onClose();
+  }
 }