Add explicit exit calls to update_script functions (#8752)

ct/cosmos.sh

@@ -28,6 +28,7 @@ function update_script() {
     exit
   fi
   msg_ok "${APP} updates itself automatically!"
+  exit
 }
 
 start
@@ -37,4 +38,4 @@ description
 msg_ok "Completed Successfully!\n"
 echo -e "${CREATING}${GN}${APP} setup has been successfully initialized!${CL}"
 echo -e "${INFO}${YW} Access it using the following URL:${CL}"
-echo -e "${TAB}${GATEWAY}${BGN}http://${IP}${CL}"
+echo -e "${TAB}${GATEWAY}${BGN}http://${IP}${CL}"