Pressing on bottom part of the virtual keyboard buttons dont have any actions

[alexprey]

Description

When I'm click on bottom part of the virtual keyboard buttons, it just increase, but not actually inserts any content in the editor

Steps to Reproduce

1. Use mathfield element with virtual keyboard
2. Open virtual keyboard and press on mentioned area of the button in virtual keyboard

Actual Behavior

Virtual keyboard button just increase size.

Expected Behavior

Action of the button must be performed

Environment

Operating System
[macOS, Windows, iOS. Include the version if possible]

Browser [Safari, Chrome, IE, Firefox, etc...]

[alexprey]

Looks like that when button increase the size it also have offset to the up and after that mouse pointer stays outside of the button and mouseup event is not fired for a button