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Worked!, you might want to mention that in the post, most people would click a check box and not the label. I only noticed the entry was ignored since I did a reload

How do you save/apply your selection? Each time I reload the list is empty

If you need this for file syncing purposes, check tip 3 in this howto  Digital Ocean Totp howto
You could set up a limited account for Textastic without totp and only access to the relevant files