Fix crash at start of the fight with spell timeline open
Fix crash at start of the fight with spell timeline open

enragednuke/WoWAnalyzer,anom0ly/WoWAnalyzer,ronaldpereira/WoWAnalyzer,FaideWW/WoWAnalyzer,yajinni/WoWAnalyzer,Juko8/WoWAnalyzer,ronaldpereira/WoWAnalyzer,WoWAnalyzer/WoWAnalyzer,yajinni/WoWAnalyzer,FaideWW/WoWAnalyzer,hasseboulen/WoWAnalyzer,fyruna/WoWAnalyzer,yajinni/WoWAnalyzer,sMteX/WoWAnalyzer,anom0ly/WoWAnalyzer,hasseboulen/WoWAnalyzer,enragednuke/WoWAnalyzer,yajinni/WoWAnalyzer,Juko8/WoWAnalyzer,enragednuke/WoWAnalyzer,anom0ly/WoWAnalyzer,FaideWW/WoWAnalyzer,hasseboulen/WoWAnalyzer,Juko8/WoWAnalyzer,fyruna/WoWAnalyzer,sMteX/WoWAnalyzer,ronaldpereira/WoWAnalyzer,sMteX/WoWAnalyzer,anom0ly/WoWAnalyzer,WoWAnalyzer/WoWAnalyzer,WoWAnalyzer/WoWAnalyzer,fyruna/WoWAnalyzer