Move QueryBarInput ⇒ NP

[lizozom]

• Rename QueryBarInput ⇒ QueryStringInput Query String(Bar) Input - cleanup #51598
• Move query_bar/typeahead ⇒ data/ui/typeahead Query String(Bar) Input - cleanup #51598
• Move QueryBarInput ⇒ data/ui/query_string_input Move QueryStringInput ⇒ NP #51873

Dev Docs

• QueryBarInput components was renamed to QueryStringInput and moved to src/plugins/data/public
• The typeahead UI component can now be used independently of QueryStringInput. It can be imported from src/plugins/data/public.

   import { QueryStringInput, SuggestionsComponent } from '../../plugins\data\public'

[elasticmachine]

Pinging @elastic/kibana-app-arch (Team:AppArch)