DOP-3785: adding a persistent search bar

[bianca-laube]

Stories/Links:

DOP-3785

Current Behavior:

https://www.mongodb.com/docs/search/?q=test

Staging Links:

https://docs-mongodb-org-stg.s3.us-east-2.amazonaws.com/master/landing/bianca.laube/DOP-3785/search/index.html?q=test

Notes:

Things Changed:

• Updated header
• The staging link goes automatically to the search page since if you try to go the search page through the home page it leaves the staging link. However, the first word given is taken from that search bar, from the header and automatically loaded to the new persistent search bar.
• was able to add the new leafygreen-ui search-input for the search bar

[seungpark]

looks great!! thanks for putting this together @bianca-laube

a couple comments on persisting the search bar on empty results. will need to consult with Product team to verify base case scenarios

[seungpark]

some minor differences in behavior from whats on prod vs this branch (with flag set to "false") PTAL !

[seungpark]

some minor styling nitpicks to keep prod untouched. also not seeing loading states with the new component state variables. PTAL! 🙏

[seungpark]

this overall LGTM. one minor functional catch below (onSubmit function for SearchInput)

thanks again for putting this together @bianca-laube !

[mmeigs]

Looks great! I believe there are a couple unused conditionals! Check me on it though, because there are so many layers to unpack.

Also, I feel like I may have found a bug with our search, but it's not a part of this ticket. Any one letter search seems to hang in loading state oddly. Something to keep an eye on. Bonus points!

[seungpark]

this looks great! minor styling issue below and a possible refactor (not blocking). besides that LGTM !