TW-4308 Add labels for several messages part 2 (#4431)

Add ChooseLabelModal, delegate, and update label UI components

Wire add-labels action across Thread, Search, and Dashboard

lib/features/mailbox_dashboard/presentation/widgets/top_bar_thread_selection.dart

@@ -4,6 +4,7 @@ import 'package:core/presentation/utils/theme_utils.dart';
 import 'package:core/presentation/views/button/tmail_button_widget.dart';
 import 'package:flutter/material.dart';
 import 'package:jmap_dart_client/jmap/mail/mailbox/mailbox.dart';
+import 'package:labels/model/label.dart';
 import 'package:model/email/email_action_type.dart';
 import 'package:model/email/presentation_email.dart';
 import 'package:model/extensions/list_presentation_email_extension.dart';
@@ -20,6 +21,8 @@ class TopBarThreadSelection extends StatelessWidget{
   final OnEmailActionTypeAction? onEmailActionTypeAction;
   final VoidCallback? onCancelSelection;
   final ImagePaths imagePaths;
+  final bool isLabelAvailable;
+  final List<Label> labels;
 
   const TopBarThreadSelection (
     this.listEmail,
@@ -27,6 +30,8 @@ class TopBarThreadSelection extends StatelessWidget{
     this.imagePaths,
     {
       super.key,
+      required this.isLabelAvailable,
+      required this.labels,
       this.onEmailActionTypeAction,
       this.onCancelSelection,
     }
@@ -104,6 +109,18 @@ class TopBarThreadSelection extends StatelessWidget{
           EmailActionType.moveToMailbox,
         ),
       ),
+      if (isLabelAvailable && labels.isNotEmpty)
+        TMailButtonWidget.fromIcon(
+          icon: imagePaths.icTag,
+          iconSize: TopBarThreadSelectionStyle.iconSize,
+          iconColor: TopBarThreadSelectionStyle.iconColor,
+          tooltipMessage: AppLocalizations.of(context).labelAs,
+          backgroundColor: Colors.transparent,
+          onTapActionCallback: () => onEmailActionTypeAction?.call(
+            List.from(listEmail),
+            EmailActionType.labelAs,
+          ),
+        ),
       TMailButtonWidget.fromIcon(
         icon: !isMarkAsSpamEnabled ? imagePaths.icNotSpam : imagePaths.icSpam,
         backgroundColor: Colors.transparent,