display handle for search bar

fix margin and color

hidden overflow for long handle and names

	modified:   app/assets/javascripts/widgets/search.js
	modified:   app/assets/stylesheets/autocomplete.css.scss

add min width 300px

	modified:   app/assets/javascripts/widgets/search.js
	modified:   app/assets/stylesheets/autocomplete.css.scss
Merge pull request #5419 from SansPseudoFix/add-handle-search-terms

Add handle search terms