fix: browser detection

lib/utils/browser_detection_web.dart

@@ -4,12 +4,7 @@ import 'dart:html' as html;
 class BrowserDetection {
   static bool get isChrome {
     final userAgent = html.window.navigator.userAgent.toLowerCase();
-    final vendor = html.window.navigator.vendor.toLowerCase();
-    
-    // Chrome UA typically contains 'chrome' and vendor is 'Google Inc.'
-    // This also excludes Firefox, Safari, and sometimes Edge/Brave depending on strictness.
-    // For Web Bluetooth, Chrome, Edge (latest), and Brave usually work.
-    // But we'll follow the user's request for "isChrome".
-    return userAgent.contains('chrome') && vendor.contains('google');
+    final isChrome = userAgent.contains('chrome');
+    return isChrome;
   }
 }