Disable boosting and reminding from closed groups

Summary

If you boost a closed group post, the post becomes able to view on the boost network as a public post.

Users who see & try to interact with said post can not do so even though they can see it

Steps to reproduce

Boost post from closed area,

interact with post on account not a member of area.

-- This is hard to test.

Platform information

ANY/ALL

What is the current bug behaviour?

Can not interact with boosted closed group post.

What is the expected correct behaviour?

Can interact, or can not boost.

Relevant logs and/or screenshots

Post of issue

Possible fixes