Refactor plugin to make it fast refreshable

Summary: Refactored Navigation plugin to make it fast-refreshable: moved the main component into a separate file and exported all components as named functions. Without these changes every change of UI triggered full reload.

Reviewed By: timur-valiev

Differential Revision: D29814077

fbshipit-source-id: 5285bdc5f14a5163f9501c0d45a3affefb08fc8e

desktop/plugins/public/navigation/components/SearchBar.tsx

@@ -57,7 +57,7 @@ const SearchInputContainer = styled.div({
   position: 'relative',
 });
 
-class SearchBar extends Component<Props, State> {
+export class SearchBar extends Component<Props, State> {
   state = {
     inputFocused: false,
     autoCompleteSheetOpen: false,
@@ -158,5 +158,3 @@ class SearchBar extends Component<Props, State> {
     );
   }
 }
-
-export default SearchBar;