chore(sample): additionnal sample cleanup (#4122)

* chore: move MultiValueControl & toggleControl to component
* fix(sample): fix import / export to avoid circular deps
* chore(sample): fix warning

examples/basic/src/components/index.ts

@@ -7,3 +7,5 @@ export * from './TextTracksSelector';
 export * from './Overlay';
 export * from './TopControl';
 export * from './Toast';
+export * from './ToggleControl';
+export * from './MultiValueControl';