Switch search related tests over to use the new navigation

What does this MR do and why?

Fix elasticsearch specs to work with super sidebar

Currently all of the elasticsearch specs rely on the old sidebar. We even had a regression affecting the super sidebar which would have been caught if we rewritten the specs to work with the super sidebar earlier: #428246 (closed)

Fix search related specs to work with super sidebar

This fixes more global_search related specs to be compatible with the super sidebar.

Screenshots or screen recordings

N/A

How to set up and validate locally

1. Run any of the specs locally (might need to set up elasticsearch and zoekt)
2. Careful, these specs are sloooooow

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.