Avoid extra storage bucket perm and query

What does this MR do?

Follows up https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/23981#note_126761753:

This can go into another merge request, but we should probably audit all locations where we have connection.directories and change them accordingly.

What are the relevant issue numbers?

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Documentation created/updated
• Tests added for this feature/bug
• Tested in all supported browsers
• Conforms to the code review guidelines
• Conforms to the merge request performance guidelines
• Conforms to the style guides
• Conforms to the database guides
• ~~Link to e2e tests MR added if this MR has Requires e2e tests label. See the Test Planning Process.~~
• Security reports checked/validated by reviewer