TF-3704 Fix mailbox item height

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

lib/features/mailbox/presentation/styles/leading_mailbox_item_widget_styles.dart

@@ -1,11 +0,0 @@
-
-import 'package:core/utils/direction_utils.dart';
-import 'package:flutter/material.dart';
-
-class LeadingMailboxItemWidgetStyles {
-  static Matrix4 mailboxIconTransform(BuildContext context) => Matrix4.translationValues(
-    DirectionUtils.isDirectionRTLByLanguage(context) ? 0.0 : -4.0,
-    0.0,
-    0.0
-  );
-}

lib/features/mailbox/presentation/styles/mailbox_item_widget_styles.dart

@@ -5,4 +5,5 @@ class MailboxItemWidgetStyles {
   static const double padding = 8;
   static const double itemPadding = 10;
   static const double borderRadius = 8;
+  static const double height = 36;
 }