BUG: Search returns results from opportunity of private challenge to space member

[Comoque1]

Describe the bug A clear and concise description of what the bug is.

To Reproduce Steps to reproduce the behavior:

1. Go to localhost
2. Create a Public active space
3. Create a Private challenge
4. Create an opportunity
5. Space member queries from the global search and space search by term, that is contained by all above entities - Space and opportunity are returned - should be only space. For space search 0 results must be returned

Expected behavior When member of space (only) search by term that is containe in private challenge and its opportunity - 0 data should be returned for them.

[techsmyth]

@Comoque1 will be addressed as part of subspaces change