fix: omc user change to manager

misc/setomc.sh

@@ -50,8 +50,8 @@ case "${M_ARG}" in
            done
            cp -rf ${CustomizedDir}/logo/* ${OMCStaticDir}/logo
            cp -rf ${CustomizedDir}/doc/* ${OMCStaticDir}/helpDoc
-           perl -0777 -i -pe 's/agtuser/bluearcus/g' ${OMCRootDir}/etc/default/restconf.yaml
-           perl -0777 -i -pe 's/agtuser/bluearcus/g' ${OMCBinDir}/nehosts
+           perl -0777 -i -pe 's/manager/bluearcus/g' ${OMCRootDir}/etc/default/restconf.yaml
+           perl -0777 -i -pe 's/manager/bluearcus/g' ${OMCBinDir}/nehosts
         fi       
         ;;
     upgrade | upgvue3)