TF-4233 Implement edit label action

lib/main/localizations/app_localizations.dart

@@ -5694,4 +5694,19 @@ class AppLocalizations {
       name: 'updateTheLabelName',
     );
   }
+
+  String editLabelSuccessfullyMessage(String labelName) {
+    return Intl.message(
+      'You successfully edited the $labelName label',
+      name: 'editLabelSuccessfullyMessage',
+      args: [labelName],
+    );
+  }
+
+  String get editLabelFailure {
+    return Intl.message(
+      'Edit label failure',
+      name: 'editLabelFailure',
+    );
+  }
 }

lib/main/utils/toast_manager.dart

@@ -31,6 +31,7 @@ import 'package:tmail_ui_user/features/download/domain/state/preview_email_from_
 import 'package:tmail_ui_user/features/home/data/exceptions/session_exceptions.dart';
 import 'package:tmail_ui_user/features/home/domain/state/get_session_state.dart';
 import 'package:tmail_ui_user/features/labels/domain/state/create_new_label_state.dart';
+import 'package:tmail_ui_user/features/labels/domain/state/edit_label_state.dart';
 import 'package:tmail_ui_user/features/login/data/network/oidc_error.dart';
 import 'package:tmail_ui_user/features/login/domain/exceptions/authentication_exception.dart';
 import 'package:tmail_ui_user/features/login/domain/exceptions/oauth_authorization_error.dart';
@@ -209,6 +210,8 @@ class ToastManager {
     } else if (failure is AddALabelToAThreadFailure) {
       message = message ??
           appLocalizations.addLabelToThreadFailureMessage(failure.labelDisplay);
+    } else if (failure is EditLabelFailure) {
+      message = message ?? appLocalizations.editLabelFailure;
     }
     log('ToastManager::showMessageFailure: Message: $message');
     if (message?.trim().isNotEmpty == true) {
@@ -276,6 +279,10 @@ class ToastManager {
       message = appLocalizations.createLabelSuccessfullyMessage(
         success.newLabel.safeDisplayName,
       );
+    } else if (success is EditLabelSuccess) {
+      message = appLocalizations.editLabelSuccessfullyMessage(
+        success.newLabel.safeDisplayName,
+      );
     } else if (success is AddALabelToAnEmailSuccess) {
       message = appLocalizations.addLabelToEmailSuccessfullyMessage(
         success.labelDisplay,