We're aware of the issue with characters being misplaced on Mobile Menu Layout.
The issue occurs if special characters are added.
We are currently gathering more information in order to reach a solution.
In the meantime, you can fix it by following these steps:
Change menu alignment to left - switch back to Centered
OR:
Switch the submenu arrow alignment to Right
This article is credited to the Wix team - https://support.wix.com/ and we thank them for that!