Get indexOfTopLevelItem() in QTreeWidget back
Get indexOfTopLevelItem() in QTreeWidget back

Task-number: PYSIDE-456
Change-Id: Icda01099643931c893e69960d994fa2d6adeea93
Reviewed-by: Friedemann Kleint <1b9f2592239daaec4856ccc1cfb4d2d55b35fb71@qt.io>

qtproject/pyside-pyside,qtproject/pyside-pyside,qtproject/pyside-pyside,qtproject/pyside-pyside,qtproject/pyside-pyside