Fix align contact support button

Signed-off-by: dab246 <tdvu@linagora.com>

lib/features/mailbox_dashboard/presentation/extensions/handle_contact_support_capability.dart

@@ -0,0 +1,15 @@
+
+import 'package:model/support/contact_support_capability.dart';
+import 'package:tmail_ui_user/features/home/domain/extensions/session_extensions.dart';
+import 'package:tmail_ui_user/features/mailbox_dashboard/presentation/controller/mailbox_dashboard_controller.dart';
+
+extension ContactSupportCapabilityExtension on MailboxDashBoardController {
+  ContactSupportCapability? get contactSupportCapability {
+    final accountId = this.accountId.value;
+    final session = sessionCurrent;
+
+    if (accountId == null || session == null) return null;
+
+    return session.getContactSupportCapability(accountId);
+  }
+}

lib/features/mailbox_dashboard/presentation/widgets/navigation_bar/navigation_bar_widget.dart

@@ -109,7 +109,7 @@ class NavigationBarWidget extends StatelessWidget {
         else
           ...[
             const Spacer(),
-            if (contactSupportCapability != null)
+            if (contactSupportCapability?.isAvailable == true)
               TMailButtonWidget.fromIcon(
                 icon: imagePaths.icHelp,
                 iconColor: AppColor.messageDialogColor,