Correctly identify qualifier from JSON
Correctly identify qualifier from JSON

Identifies any qualifier or reference if initialised through fromJSON()
on parent claim

Bug: T113212
Change-Id: I7255cf50b21bac19f44f152ddd4a189825dd7eab

jayvdb/pywikibot-core,happy5214/pywikibot-core,hasteur/g13bot_tools_new,Darkdadaah/pywikibot-core,h4ck3rm1k3/pywikibot-core,Darkdadaah/pywikibot-core,wikimedia/pywikibot-core,smalyshev/pywikibot-core,hasteur/g13bot_tools_new,hasteur/g13bot_tools_new,npdoty/pywikibot,happy5214/pywikibot-core,PersianWikipedia/pywikibot-core,magul/pywikibot-core,wikimedia/pywikibot-core,npdoty/pywikibot,h4ck3rm1k3/pywikibot-core,darthbhyrava/pywikibot-local,jayvdb/pywikibot-core,magul/pywikibot-core