[bugfix] Don't break sametitle method with empty titles
[bugfix] Don't break sametitle method with empty titles

Bug: T88800
Change-Id: I9a867404a02325660a9822b013e3a72eef160742
darthbhyrava/pywikibot-local,magul/pywikibot-core,npdoty/pywikibot,magul/pywikibot-core,icyflame/batman,valhallasw/pywikibot-core,happy5214/pywikibot-core,jayvdb/pywikibot-core,jayvdb/pywikibot-core,VcamX/pywikibot-core,hasteur/g13bot_tools_new,TridevGuha/pywikibot-core,smalyshev/pywikibot-core,h4ck3rm1k3/pywikibot-core,hasteur/g13bot_tools_new,Darkdadaah/pywikibot-core,hasteur/g13bot_tools_new,PersianWikipedia/pywikibot-core,xZise/pywikibot-core,Darkdadaah/pywikibot-core,happy5214/pywikibot-core,wikimedia/pywikibot-core,npdoty/pywikibot,trishnaguha/pywikibot-core,emijrp/pywikibot-core,wikimedia/pywikibot-core,h4ck3rm1k3/pywikibot-core