TF-3704 Fix Folders text is not correct style

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

lib/features/mailbox/presentation/mailbox_view.dart

@@ -280,7 +280,7 @@ class MailboxView extends BaseMailboxView {
               Expanded(
                 child: Text(
                   AppLocalizations.of(context).folders,
-                  style: ThemeUtils.textStyleM3BodyMedium2(color: Colors.black),
+                  style: ThemeUtils.textStyleInter700(color: Colors.black),
                 ),
               ),
               Row(children: [

lib/features/mailbox/presentation/mailbox_view_web.dart

@@ -186,7 +186,7 @@ class MailboxView extends BaseMailboxView {
                   ),
                   child: Text(
                     AppLocalizations.of(context).folders,
-                    style: ThemeUtils.textStyleM3BodyMedium2(color: Colors.black),
+                    style: ThemeUtils.textStyleInter700(color: Colors.black),
                   ),
                 ),
               ),