Refactor group search out of global search
What does this MR do?
EE version of https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/10687
Does this MR meet the acceptance criteria?
- Tests
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Added for this feature/bug -
All builds are passing
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Conform by the merge request performance guides -
Conform by the style guides -
Branch has no merge conflicts with master(if it does - rebase it please) -
Squashed related commits together