AO3-7541 Declare Elasticsearch requirements in request specs

[evanwhitt]

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• Have you added tests for any changed functionality?
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Issue

https://otwarchive.atlassian.net/browse/AO3-7541

Purpose

Some spec/requests specs render pages that query Elasticsearch but never say so. If a spec that does declare it (e.g. work_search: true) runs first, its cleanup deletes the indexes and the request specs blow up with index_not_found_exception.

Added the applicable search metadata (work_search, bookmark_search, collection_search, pseud_search) to the affected request specs so the indexes they need always exist, regardless of run order.

Testing Instructions

From the Jira issue:

bundle exec rspec spec/controllers/challenge_requests_controller_spec.rb spec/models/search/user_indexer_spec.rb spec/models/search/pseud_indexer_spec.rb spec/requests

All specs should pass. Also verify bundle exec rspec spec/requests passes on its own.

Credit

Evan W (he/him) [b1ume]