On macOS, if an extra compiler returns a framework include via its
depend_command, we must resolve it properly.
For example, the uic extra compiler might return an include
"QtQuickWidget/QQuickWidget", but the actual header file is located in
"QtQuickWidget.framework/Headers/QQuickWidget".
Fixes: QTBUG-72641
Change-Id: I42f11c74d01c88db8a32025b7f04d9ad50b2d08b
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Kai Koehne <kai.koehne@qt.io>