Fix updateProjectPSPT returning 500 errors
Fix updateProjectPSPT returning 500 errors

Problem: updateProjectPSPT was returning 500 errors on conflicts

Solution: updateProjectPSPT now returns 409 conflict errors

rancher/rancher,rancher/rancher,rancherio/rancher,cjellick/rancher,cjellick/rancher,cjellick/rancher,rancher/rancher,rancher/rancher,rancherio/rancher