fix can't use context for easy_localization

mobile/lib/extensions/build_context_extensions.dart

@@ -1,4 +1,7 @@
+import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
+import 'package:immich_mobile/utils/translation.dart';
+import 'package:intl/message_format.dart';
 
 extension ContextHelper on BuildContext {
   // Returns the current padding from MediaQuery
@@ -58,4 +61,17 @@ extension ContextHelper on BuildContext {
   // Show SnackBars from the current context
   void showSnackBar(SnackBar snackBar) =>
       ScaffoldMessenger.of(this).showSnackBar(snackBar);
+
+  String t(String key, [Map<String, Object>? args]) {
+    try {
+      String message = this.tr(key);
+      if (args != null) {
+        return MessageFormat(message, locale: Intl.defaultLocale ?? 'en')
+            .format(args);
+      }
+      return message;
+    } catch (e) {
+      return key;
+    }
+  }
 }