fix bi plugin save when run in an iframe
fix bi plugin save when run in an iframe

qqming113/saiku,bisone/saiku,zegang/saiku,bisone/saiku,OSBI/saiku,customme/saiku,hengyuan/saiku,devgateway/ccrs-saiku,dasbh/saiku,wwf830527/saiku,ZauR77/saiku-ui,bisone/saiku,wtstengshen/saiku,qixiaobo/saiku-self,dasbh/saiku,hengyuan/saiku,witcxc/saiku,OSBI/saiku-ui,customme/saiku,hengyuan/saiku,qqming113/saiku,qixiaobo/saiku-self,standino/saiku,wtstengshen/saiku,standino/saiku,zegang/saiku,GermainSIGETY/sauceDallas-saiku3-ui,NAUMEN-GP/saiku,dasbh/saiku,wwf830527/saiku,wtstengshen/saiku,pstoellberger/saiku-ui,bisone/saiku,qqming113/saiku,zegang/saiku,devgateway/ccrs-saiku,bisone/saiku,standino/saiku,devgateway/ccrs-saiku,dasbh/saiku,qixiaobo/saiku-self,OSBI/saiku,newenter/saiku,NAUMEN-GP/saiku,hengyuan/saiku,zegang/saiku,OSBI/saiku,OSBI/saiku-ui,wtstengshen/saiku,devgateway/ccrs-saiku,OSBI/saiku,newenter/saiku,NAUMEN-GP/saiku,wtstengshen/saiku,customme/saiku,newenter/saiku,OSBI/saiku,brenopolanski/saiku-ui,qixiaobo/saiku-self,qqming113/saiku,zegang/saiku,wwf830527/saiku,standino/saiku,qqming113/saiku,qqming113/saiku,witcxc/saiku,standino/saiku,newenter/saiku,NAUMEN-GP/saiku,dasbh/saiku,witcxc/saiku,dasbh/saiku,pstoellberger/saiku-ui,devgateway/ccrs-saiku,standino/saiku,brenopolanski/saiku-ui,NAUMEN-GP/saiku,devgateway/ccrs-saiku,customme/saiku,bisone/saiku,wtstengshen/saiku,zegang/saiku,wwf830527/saiku,wwf830527/saiku