dillon1000/react

Support configurable labels for custom hooks (#14559)

* react-debug-tools accepts currentDispatcher ref as param

* ReactDebugHooks injected dispatcher ref is optional

* Support custom values for custom hooks

* PR feedback:

1. Renamed useDebugValueLabel hook to useDebugValue
2. Wrapped useDebugValue internals in if-DEV so that it could be removed from production builds.

* PR feedback:

1. Fixed some minor typos
2. Added inline comment explaining the purpose of  rollupDebugValues()
3. Refactored rollupDebugValues() to use a for loop rather than filter()
4. Improve check for useDebugValue hook to lessen the chance of a false positive
5. Added optional formatter function param to useDebugValue

* Nitpick renamed a method