TF-1202: Configure FCM

lib/features/push_notification/data/extensions/firebase_cache_extensions.dart

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+
+import 'package:model/firebase/firebase_dto.dart';
+import 'package:tmail_ui_user/features/push_notification/data/model/firebase_cache.dart';
+
+extension FirebaseCacheExtension on FirebaseCache {
+
+  FirebaseDto toFirebaseDto() {
+    return FirebaseDto(token);
+  }
+}

lib/features/push_notification/data/extensions/firebase_extensions.dart

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+import 'package:model/firebase/firebase_dto.dart';
+import 'package:tmail_ui_user/features/push_notification/data/model/firebase_cache.dart';
+
+extension FirebaseExtensions on FirebaseDto {
+  FirebaseCache toCache() {
+    return FirebaseCache(token);
+  }
+}