TF-4229 Add widget for label search field

lib/features/mailbox_dashboard/presentation/extensions/advanced_search/update_label_in_advanced_search_extension.dart

@@ -0,0 +1,12 @@
+import 'package:labels/labels.dart';
+import 'package:tmail_ui_user/features/mailbox_dashboard/presentation/controller/advanced_filter_controller.dart';
+
+extension UpdateLabelInAdvancedSearchExtension on AdvancedFilterController {
+  void setSelectedLabel(Label? newLabel) {
+    if (selectedLabel.value?.id == newLabel?.id) {
+      selectedLabel.value = null;
+    } else {
+      selectedLabel.value = newLabel;
+    }
+  }
+}

lib/features/mailbox_dashboard/presentation/extensions/labels/check_label_available_extension.dart

@@ -1,9 +0,0 @@
-import 'package:get/get.dart';
-import 'package:tmail_ui_user/features/mailbox_dashboard/presentation/controller/mailbox_dashboard_controller.dart';
-
-extension CheckLabelAvailableExtension on MailboxDashBoardController {
-  bool get isLabelFeatureEnabled {
-    return isLabelCapabilitySupported &&
-        labelController.isLabelSettingEnabled.isTrue;
-  }
-}

lib/features/mailbox_dashboard/presentation/extensions/labels/handle_logic_label_extension.dart

@@ -0,0 +1,18 @@
+import 'package:get/get.dart';
+import 'package:tmail_ui_user/features/mailbox_dashboard/presentation/controller/mailbox_dashboard_controller.dart';
+
+extension HandleLogicLabelExtension on MailboxDashBoardController {
+  bool get isLabelCapabilitySupported {
+    final accountId = this.accountId.value;
+    final session = sessionCurrent;
+
+    if (accountId == null || session == null) return false;
+
+    return labelController.isLabelCapabilitySupported(session, accountId);
+  }
+
+  bool get isLabelAvailable {
+    return labelController.isLabelSettingEnabled.isTrue &&
+        isLabelCapabilitySupported;
+  }
+}