I don't think permission schemes would be appropriate in this context if I understand correctly as you just want to hide projects that are perhaps older than "X" date or check/uncheck a box that prevents the projects from being shown.
I have not seen this feature implemented and I would advise creating a Suggestion request on JAC and adding your use case to the description. If you do that post the link here so the community can vote on it and add impact!
@Jack Graves [AC] first caught our eye with his incredible breakdown of what, in his opinion, can make or break a Jira software implementation. (Read his thoughts on this thread)! In this follow...
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