* behaviour mostly there
* slight performance improvement
* slightly nicer...
* refactor search and add it to the store
* add comments about removing old component
* remove unneeded logic
* small design tweak
* More small tweaks
* Restore top margin
* add onCloseSearch/onSelectSearchItem to useSearchQuery
Co-authored-by: Torkel Ödegaard <torkel@grafana.com>