Remove spinner after trying to load non-existing comment/response
Remove spinner after trying to load non-existing comment/response

See #2223
See #2231

WoltLab/WCF,joshuaruesweg/WCF,MenesesEvandro/WCF,SoftCreatR/WCF,Cyperghost/WCF,Morik/WCF,Cyperghost/WCF,WoltLab/WCF,Morik/WCF,WoltLab/WCF,Morik/WCF,SoftCreatR/WCF,MenesesEvandro/WCF,joshuaruesweg/WCF,Cyperghost/WCF,Cyperghost/WCF,SoftCreatR/WCF,joshuaruesweg/WCF,Morik/WCF,WoltLab/WCF,Cyperghost/WCF,SoftCreatR/WCF