QML TextInput on android spuriously adds text from auto completion

Reproduction steps

1. Click on a TextField or TextInput
2. Type the string "asdf"
3. Click on a button or something to loose focus and the keyboard
4. Click on the TextInput again
5. Type backspace
6. "asd" is added to the text, so now the textfield shows "asdfasd"

You can reproduce it using the quickcontrols2 gallery example.

I made a video to show the bug: https://youtube.com/shorts/Xwl6DlIy4go?feature=share

Additional information: It does work on my old old Nokia 8 (Android 9), so this behaviour likely depends on the keyboard used (I use stock android and the stock keyboard on my phones).

A possible duplicate is QTBUG-60142 (though the behaviour is described differently).

The Qt 6.6 version i tested is the snapshot one available in the maintenance tool (not official release).