don't do first run if no admin user set

octoprint_deploy.sh

@@ -982,6 +982,7 @@ firstrun() {
         echo "Admin password: $OCTOPASS"
         $OCTOEXEC user add $OCTOADMIN --password $OCTOPASS --admin | log
     fi
+    if [ -n "$OCTOADMIN" ]; then
         echo
         echo
         echo "The script can complete the first run wizards now. For more information on these, see the OctoPrint website."
@@ -1015,6 +1016,7 @@ firstrun() {
                 $OCTOEXEC config set printerProfiles.default _default
             fi
         fi
+    fi
     
 }