WASM - Qt Quick application does not have keyboard focus after loading

If you start the following qml app on the desktop it will open the TextField has focus and you can start typing.
If you start the same app on the browser it will look like the TextField has keyboard focus(Cursor blinking) but on typing something nothing happens. As soon as you click anywhere in the page it will start working.

import QtQuick 2.12
import QtQuick.Window 2.12
import QtQuick.Controls 2.12

Window {
    visible: true
    TextField{
        focus: true
    }
}