[DevTools] Enable inspected element context menu in Fusebox (#28972)

## Summary

Enables the inspected element context menu in React Native DevTools
(Fusebox).

## How did you test this change?

1. `yarn build` in `react-devtools-fusebox`
2. Copy artifacts to rn-chrome-devtools-frontend
3. Manually test the context menu


https://github.com/facebook/react/assets/2246565/b35cc20f-8d67-43b0-b863-7731e10fffac

NOTE: The serialised values sometimes expose React internals (e.g. Hook
data structures instead of just the values), but that seems to be a
problem equally on web, so I'm going for native<->web parity here.

Author: motiz88

packages/react-devtools-fusebox/src/frontend.js

@@ -62,6 +62,7 @@ export function initialize(
       store={store}
       showTabBar={true}
       warnIfLegacyBackendDetected={true}
+      enabledInspectedElementContextMenu={true}
     />,
   );
 }