TF-4236 Implement remove a label from an email when click on the cross on a tag in the opened mail

lib/features/thread_detail/presentation/extension/get_thread_details_email_views.dart

@@ -2,10 +2,12 @@ import 'package:core/utils/platform_info.dart';
 import 'package:flutter/material.dart';
 import 'package:labels/model/label.dart';
 import 'package:model/email/email_in_thread_status.dart';
+import 'package:model/email/presentation_email.dart';
 import 'package:model/extensions/presentation_email_extension.dart';
 import 'package:tmail_ui_user/features/email/presentation/email_view.dart';
 import 'package:tmail_ui_user/features/email/presentation/extensions/presentation_email_extension.dart';
 import 'package:tmail_ui_user/features/thread_detail/presentation/extension/handle_mail_shortcut_actions_extension.dart';
+import 'package:tmail_ui_user/features/thread_detail/presentation/extension/labels/remove_label_from_email_extension.dart';
 import 'package:tmail_ui_user/features/thread_detail/presentation/extension/load_more_thread_detail_emails.dart';
 import 'package:tmail_ui_user/features/thread_detail/presentation/extension/thread_detail_load_more_segments.dart';
 import 'package:tmail_ui_user/features/thread_detail/presentation/extension/thread_detail_on_email_action_click.dart';
@@ -46,7 +48,10 @@ extension GetThreadDetailEmailViews on ThreadDetailController {
       final isFirstEmailInThreadDetail = indexOfEmailId == 0;
 
       if (presentationEmail.emailInThreadStatus == EmailInThreadStatus.collapsed) {
+        final lastEmail = emailIdsPresentation.values.last;
+
         final emailLabels = _getLabelsForFirstEmail(
+          lastEmail: lastEmail,
           isFirstEmailInThreadDetail: isFirstEmailInThreadDetail,
           availableLabels: labels,
         );
@@ -54,7 +59,7 @@ extension GetThreadDetailEmailViews on ThreadDetailController {
         return ThreadDetailCollapsedEmail(
           presentationEmail: presentationEmail.copyWith(
             subject: isFirstEmailInThreadDetail
-              ? emailIdsPresentation.values.last?.subject
+              ? lastEmail?.subject
               : null
           ),
           showSubject: isFirstEmailInThreadDetail,
@@ -72,6 +77,10 @@ extension GetThreadDetailEmailViews on ThreadDetailController {
           onToggleThreadDetailCollapseExpand: () {
             toggleThreadDetailCollapseExpand(presentationEmail);
           },
+          onDeleteLabelAction: (label) => removeLabelFromEmail(
+            lastEmail!.id!,
+            label,
+          ),
         );
       }
 
@@ -112,6 +121,7 @@ extension GetThreadDetailEmailViews on ThreadDetailController {
   }
 
   List<Label>? _getLabelsForFirstEmail({
+    required PresentationEmail? lastEmail,
     required bool isFirstEmailInThreadDetail,
     required List<Label>? availableLabels,
   }) {
@@ -121,7 +131,6 @@ extension GetThreadDetailEmailViews on ThreadDetailController {
       return null;
     }
 
-    final lastEmail = emailIdsPresentation.values.last;
     return lastEmail?.getLabelList(availableLabels);
   }
 }

lib/features/thread_detail/presentation/extension/labels/remove_label_from_email_extension.dart

@@ -0,0 +1,12 @@
+import 'package:jmap_dart_client/jmap/mail/email/email.dart';
+import 'package:labels/labels.dart';
+import 'package:tmail_ui_user/features/email/presentation/action/email_ui_action.dart';
+import 'package:tmail_ui_user/features/thread_detail/presentation/thread_detail_controller.dart';
+
+extension RemoveLabelFromEmailExtension on ThreadDetailController {
+  void removeLabelFromEmail(EmailId emailId, Label label) {
+    mailboxDashBoardController.dispatchEmailUIAction(
+      RemoveLabelFromEmailAction(emailId, label),
+    );
+  }
+}

lib/features/thread_detail/presentation/widgets/thread_detail_collapsed_email.dart

@@ -25,6 +25,7 @@ class ThreadDetailCollapsedEmail extends StatelessWidget {
     this.labels,
     this.onEmailActionClick,
     this.onToggleThreadDetailCollapseExpand,
+    this.onDeleteLabelAction,
   });
 
   final PresentationEmail presentationEmail;
@@ -37,6 +38,7 @@ class ThreadDetailCollapsedEmail extends StatelessWidget {
   final OnEmailActionClick? onEmailActionClick;
   final List<Label>? labels;
   final VoidCallback? onToggleThreadDetailCollapseExpand;
+  final OnDeleteLabelAction? onDeleteLabelAction;
 
   String get preview => presentationEmail.getPartialContent();
 
@@ -63,8 +65,10 @@ class ThreadDetailCollapsedEmail extends StatelessWidget {
             if (showSubject)
               EmailSubjectWidget(
                 presentationEmail: presentationEmail,
+                imagePaths: imagePaths,
                 isMobileResponsive: isMobileResponsive,
                 labels: labels,
+                onDeleteLabelAction: onDeleteLabelAction,
               ),
             InformationSenderAndReceiverBuilder(
               emailSelected: presentationEmail,