feat(ui) Add entity search input to shared folder

[chriscollins3456]

Creates a new generalized component that allows you to search and select entities of a given type. This can and will be used in different forms across the app.

Checklist

• The PR conforms to DataHub's Contributing Guideline (particularly Commit Message Format)
• Links to related issues (if applicable)
• Tests for the changes have been added/updated (if applicable)
• Docs related to the changes have been added/updated (if applicable). If a new feature has been added a Usage Guide has been added for the same.
• For any breaking change/potential downtime/deprecation/big changes an entry has been made in Updating DataHub

[github-actions]

Unit Test Results (build & test)

521 tests  +46   521 ✔️ +46   14m 16s ⏱️ + 13m 15s
122 suites +12       0 💤 ±  0 
122 files   +12       0 ❌ ±  0 

Results for commit bb88cc7. ± Comparison against base commit 39fa932.