feat(openapi): allow paging for Applications
feat(openapi): allow paging for Applications

* added getApplicationsPage method to RegistrarManager to enable paged SQL queries (similar to members and groups)

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