opt: bottomSheet DragHandle

lib/common/widgets/drag_handle.dart

@@ -0,0 +1,25 @@
+import 'package:flutter/material.dart';
+
+class DragHandle extends StatelessWidget {
+  const DragHandle({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return InkWell(
+      onTap: Navigator.of(context).pop,
+      child: SizedBox(
+        height: 36,
+        child: Center(
+          child: Container(
+            width: 32,
+            height: 4,
+            decoration: BoxDecoration(
+              color: Theme.of(context).colorScheme.outline,
+              borderRadius: BorderRadius.circular(4),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}