The Global Search result page should have organized controls, layout, and help resources
### Summary
This epic contains work to improve the visual hierarchy and layout of the Global Search page to aid users in better understanding and navigating their searches and results.
### Research Findings
We recently concluded [Foundational Research for Global Search](https://gitlab.com/groups/gitlab-org/-/epics/8193) users that identified key areas for improvement.
- [Search controls are too disorganized](https://gitlab.com/gitlab-org/gitlab/-/issues/364408)
- [Search result layout was not intuitive](https://gitlab.com/gitlab-org/gitlab/-/issues/364407)
- [Help resources are not readily accessible](https://gitlab.com/gitlab-org/gitlab/-/issues/364406)
### Next steps to detail this epic
- [x] Crosslink issues for foundational research.
- [x] Pullover appropriate research details that are appropriate for customer value.
- [x] Create an issue for improving links to search help.
### Does not include
- Detailed redesign of scope-specific views. This will be part of epics at a later time.
- Navbar Specific Changes, These are covered in [Improve Navbar UX to improve discoverability and usefulness of Global Search](https://gitlab.com/groups/gitlab-org/-/epics/7821)
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epic