opt reorder

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

lib/common/widgets/reorder_mixin.dart

@@ -0,0 +1,18 @@
+import 'package:flutter/material.dart';
+
+mixin ReorderMixin<T extends StatefulWidget> on State<T> {
+  late ColorScheme scheme;
+
+  @override
+  void didChangeDependencies() {
+    super.didChangeDependencies();
+    scheme = ColorScheme.of(context);
+  }
+
+  Widget proxyDecorator(Widget child, _, _) {
+    return ColoredBox(
+      color: scheme.onInverseSurface,
+      child: child,
+    );
+  }
+}