Fix, when cloning constants references, preserve the user provided flag.
Fix, when cloning constants references, preserve the user provided flag.

wfxiang08/Nuitka,kayhayen/Nuitka,wfxiang08/Nuitka,wfxiang08/Nuitka,kayhayen/Nuitka,tempbottle/Nuitka,wfxiang08/Nuitka,tempbottle/Nuitka,kayhayen/Nuitka,tempbottle/Nuitka,tempbottle/Nuitka,kayhayen/Nuitka