feat(openapi): method to retrieve rich resources assigned to facility with selected service assigned
feat(openapi): method to retrieve rich resources assigned to facility with selected service assigned

* overloaded getAssignedRichResources to also accept service as an argument

zlamalp/perun,CESNET/perun,CESNET/perun,CESNET/perun,mvocu/perun,zlamalp/perun,zlamalp/perun,martin-kuba/perun,CESNET/perun,martin-kuba/perun,martin-kuba/perun,mvocu/perun,zlamalp/perun,zlamalp/perun,martin-kuba/perun,CESNET/perun,mvocu/perun,mvocu/perun,mvocu/perun,CESNET/perun,CESNET/perun,zlamalp/perun,martin-kuba/perun,zlamalp/perun,mvocu/perun,mvocu/perun,martin-kuba/perun,martin-kuba/perun