TF-3766 Change context menu style for mailbox on mobile

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

core/lib/presentation/utils/theme_utils.dart

@@ -243,6 +243,15 @@ class ThemeUtils {
     color: Colors.black,
   );
 
+  static final TextStyle textStyleInter400 = TextStyle(
+    fontFamily: ConstantsUI.fontApp,
+    fontWeight: FontWeight.w400,
+    letterSpacing: -0.15,
+    fontSize: 16,
+    height: 21.01 / 16,
+    color: AppColor.gray424244.withOpacity(0.9),
+  );
+
   static TextStyle textStyleM3LabelLarge({Color? color}) => TextStyle(
     fontFamily: ConstantsUI.fontApp,
     fontWeight: FontWeight.w500,