I open commit on github here:
https://github.com/NodeBB/NodeBB/issues/10115
Fixed here:
https://community.nodebb.org/post/86534
https://github.com/NodeBB/NodeBB/commit/69a7634a78de51dfd50e72864fadf77a7b1ab46a
Only appeared today. Clicking it does nothing and now it won't go away.
Need to add localStorage to it, but also an option to re-enable in the user settings in case you accidentally closed it and actually do want it activated.
In any case, noticed OP is on an iPad, so made some changes that might work for him