Hello there,

Thank you for reaching out to us.

This is not how this option works. You can not add this to dashboard this just changes the order in which they will show what section will be first like this

Once you made changes you need to purge the entire cache if this does not help then there is some residual cache on the server and you need to reach out to your hosting provider so that they can purge the entire cache from the server.

We wish you all the best and hope you have a wonderful day ahead.