search/coreworkflow: Show recent searches in autocompletion

Created by: fkling

This commit adds the feature to show recent searches in the autocompletion input on the search homepage when the input is empty.

https://user-images.githubusercontent.com/179026/183091899-fc685dba-8e93-4adc-b244-9af54fc0ac5b.mp4

Test plan

• Enable coreworkflow improvements
• Go to search homepage.
• Focusing the query input (without content) should show search history entries.

App preview:

• Web
• Storybook

Check out the client app preview documentation to learn more.