Convert form to use DDF/React and API - parent issue https://github.com/ManageIQ/manageiq-ui-classic/issues/6825 **Location**: Configuration **Form**: Settings/Servers/Workers **current type**: Ruby -> DDF **API state**: YES **PM Input**: 1 - Low **Comments**: https://github.com/ManageIQ/manageiq-ui-classic/pull/5528 **imported status**: DONE **imported assigned**: rvsia
