TF-4193 Fix all Nitpick comments from coderabbit

lib/features/login/data/datasource_impl/authentication_oidc_datasource_impl.dart

@@ -180,9 +180,6 @@ class AuthenticationOIDCDataSourceImpl extends AuthenticationOIDCDataSource {
   Future<OidcUserInfo> fetchUserInfo(String userInfoEndpoint) {
     return Future.sync(() async {
       return await _oidcHttpClient.fetchUserInfo(userInfoEndpoint);
-    }).catchError((error, stackTrace) async {
-      await _exceptionThrower.throwException(error, stackTrace);
-      throw error;
-    });
+    }).catchError(_exceptionThrower.throwException);
   }
 }

lib/features/login/domain/usecases/delete_authority_oidc_interactor.dart

@@ -1,5 +1,3 @@
-import 'dart:core';
-
 import 'package:core/presentation/state/failure.dart';
 import 'package:core/presentation/state/success.dart';
 import 'package:dartz/dartz.dart';

lib/features/login/domain/usecases/delete_credential_interactor.dart

@@ -1,5 +1,3 @@
-import 'dart:core';
-
 import 'package:core/core.dart';
 import 'package:dartz/dartz.dart';
 import 'package:tmail_ui_user/features/login/domain/repository/credential_repository.dart';

lib/features/login/domain/usecases/get_credential_interactor.dart

@@ -1,5 +1,3 @@
-import 'dart:core';
-
 import 'package:core/presentation/state/failure.dart';
 import 'package:core/presentation/state/success.dart';
 import 'package:dartz/dartz.dart';