* Text change

made it more understandable that this is a search field

* Made "New Folder"-button green

Since New Dashboard was green I thought New Folder; Import also would be green. Green seems to be the color for creating new items

* Update playlist_search.html

* change search text

* wrong link

* Update playlist.md

* Update manage_dashboards.html

* Update manage_dashboards.html

* replaced Filter

* replaced Filter

* replaced Filter

* replaced filter

* changed text for placeholder

* Update UsersActionBar.tsx

* Update UserListAdminPage.tsx

* update snapshots

Co-authored-by: Dominik Prokop <dominik.prokop@grafana.com>