Check if mounted before calling setState

lib/ui/components/button_widget.dart

@@ -334,9 +334,11 @@ class _ButtonChildWidgetState extends State<ButtonChildWidget> {
       setState(() {
         executionState = ExecutionState.successful;
         Future.delayed(const Duration(seconds: 2), () {
-          setState(() {
-            executionState = ExecutionState.idle;
-          });
+          if (mounted) {
+            setState(() {
+              executionState = ExecutionState.idle;
+            });
+          }
         });
       });
     }