fix phone dashboard

lib/widgets/app_back_button.dart

@@ -0,0 +1,28 @@
+import 'package:flutter/material.dart';
+import 'package:go_router/go_router.dart';
+
+class AppBackButton extends StatelessWidget {
+  final String fallbackRoute;
+  final Color? color;
+
+  const AppBackButton({
+    super.key,
+    required this.fallbackRoute,
+    this.color,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return IconButton(
+      icon: Icon(Icons.arrow_back_ios_new_rounded, color: color),
+      onPressed: () {
+        if (context.canPop()) {
+          context.pop();
+          return;
+        }
+        context.go(fallbackRoute);
+      },
+      tooltip: MaterialLocalizations.of(context).backButtonTooltip,
+    );
+  }
+}