feat(mobile): Rework of the exif sheet (#1213)

* Draggable sheet in asset viewer page

* Minor improvements

* Fix display bug

* Fix some styling

Co-authored-by: Alex <alex.tran1502@gmail.com>

mobile/lib/shared/ui/drag_sheet.dart

@@ -0,0 +1,51 @@
+import 'package:flutter/material.dart';
+
+class CustomDraggingHandle extends StatelessWidget {
+  const CustomDraggingHandle({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      height: 5,
+      width: 30,
+      decoration: BoxDecoration(
+        color: Colors.grey[500],
+        borderRadius: BorderRadius.circular(16),
+      ),
+    );
+  }
+}
+
+class ControlBoxButton extends StatelessWidget {
+  const ControlBoxButton({
+    Key? key,
+    required this.label,
+    required this.iconData,
+    required this.onPressed,
+  }) : super(key: key);
+
+  final String label;
+  final IconData iconData;
+  final Function onPressed;
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialButton(
+      padding: const EdgeInsets.all(10),
+      shape: const CircleBorder(),
+      onPressed: () => onPressed(),
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.start,
+        crossAxisAlignment: CrossAxisAlignment.center,
+        children: [
+          Icon(iconData, size: 24),
+          const SizedBox(height: 6),
+          Text(
+            label,
+            style: const TextStyle(fontSize: 12.0),
+          ),
+        ],
+      ),
+    );
+  }
+}