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/NavigationInfoBox.tsx

@@ -160,7 +160,7 @@ const buildParameterTable = (parameters: Map<string, string>) => {
   );
 };
 
-export default (props: Props) => {
+export function NavigationInfoBox(props: Props) {
   const {
     uri,
     isBookmarked,
@@ -238,4 +238,4 @@ export default (props: Props) => {
       </NavigationInfoBoxContainer>
     );
   }
-};
+}