QTableWidget: split view is closed after changing virtual keyboard mode

Preconditions:
QTableWidget includes editable items (with some default text).
Tested with Qt Example application: Examples/ItemViews/StarDelegate.
View is on portrait mode.

Test steps:
1. Tap the item on QTableWidget
--> Split view is opened with qwerty or alphanumeric virtual keyboard.
2. Change the virtual keyboard mode from qwerty to alphanumeric (or vice versa).

Expected result:
Split view virtual keyboard mode is changed and split view stays open.

Actual result:
Split view is closed. If it's open again the virtual keyboard mode has been changed.