[DEVTOOLS] improve dev-only warnings for non-delegated events

[Jidayyyyyy]

Summary

Improve the developer-facing warning messages in DOMEventPluginSystem.js for non-delegated events.

Problem

Currently, React emits vague warnings like:

1. "Did not expect a listenToNonDelegatedEvent() call for '%s'. This is a bug in React. Please file an issue."
2. "Did not expect a listenToNativeEvent() call for '%s' in the bubble phase. This is a bug in React. Please file an issue."

These messages are unclear and provide little guidance to developers about what went wrong or how to fix it.

Change

Updated the warnings to be more descriptive and actionable:

1. listenToNonDelegatedEvent warning:
   "React detected a call to listenToNonDelegatedEvent() for '%s', which should only be used for non-delegated events (e.g., media events, scroll). Check if this event should be handled differently or remove the call."

2. listenToNativeEvent warning:
   "React detected a call to listenToNativeEvent() for '%s' in the bubble phase on a non-delegated event. Ensure this event is not in nonDelegatedEvents or adjust the phase."

Notes

• These changes only affect development mode warnings.
• No runtime behavior changes in production.
• Helps developers quickly identify incorrect event usage in React's event system.

[meta-cla]

Hi @Jidayyyyyy!

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[eps1lon]

This would be a React bug. There's nothing actionable for the user to do so the message shouldn't try to act like it.