OpenAPI sponsored user fix
OpenAPI sponsored user fix

* fixed methods createSpecificUser, findCompletyRichMembers

CESNET/perun,zlamalp/perun,martin-kuba/perun,mvocu/perun,mvocu/perun,mvocu/perun,balcirakpeter/perun,balcirakpeter/perun,balcirakpeter/perun,CESNET/perun,zwejra/perun,CESNET/perun,martin-kuba/perun,zwejra/perun,zwejra/perun,zwejra/perun,mvocu/perun,mvocu/perun,zlamalp/perun,zoraseb/perun,CESNET/perun,zlamalp/perun,zoraseb/perun,martin-kuba/perun,CESNET/perun,balcirakpeter/perun,zwejra/perun,zlamalp/perun,martin-kuba/perun,CESNET/perun,mvocu/perun,balcirakpeter/perun,zoraseb/perun,mvocu/perun,zlamalp/perun,martin-kuba/perun,CESNET/perun,martin-kuba/perun,balcirakpeter/perun,zwejra/perun,zoraseb/perun,martin-kuba/perun,zlamalp/perun,zlamalp/perun,balcirakpeter/perun,zoraseb/perun,zoraseb/perun