Users should be able to add custom QML import paths for
Python/PySide2/PyQt5 projects in Qt Creator in order to
get syntax highlighting and code completion for custom
QML modules.
Fixes: QTCREATORBUG-23679
Change-Id: Iec7c691c4b8709c48a790cd27ac7c6e755967796
Reviewed-by: hjk <hjk@qt.io>
