add InputTextArea support for VirtualKeyboard (#12746)
add InputTextArea support for VirtualKeyboard (#12746)


sebavan/Babylon.js,RaananW/Babylon.js,RaananW/Babylon.js,BabylonJS/Babylon.js,BabylonJS/Babylon.js,sebavan/Babylon.js,RaananW/Babylon.js,sebavan/Babylon.js,BabylonJS/Babylon.js