Use PSR-7 responses for if-none-match in MediaPage
Use PSR-7 responses for if-none-match in MediaPage

Cyperghost/WCF,WoltLab/WCF,Cyperghost/WCF,SoftCreatR/WCF,Cyperghost/WCF,Cyperghost/WCF,Cyperghost/WCF,SoftCreatR/WCF,WoltLab/WCF,WoltLab/WCF,SoftCreatR/WCF,SoftCreatR/WCF,WoltLab/WCF