dillon1000/react

Scheduling Profiler: Improve warnings and add unit tests (#22038)

* Scheduling Profiler: Updated instructions to mentioned v18+ requirement

* Moved long-event warning to post processing

This lets us rule out non-React work or React work that started before the event and finished quickly during the event.

Also added unit tests for this warning and the various cases.

* Moved long-event warning to post processing

This lets us rule out non-React work or React work that started before the event and finished quickly during the event.

Also added unit tests for this warning and the various cases.

* Updated nested update warning text

* Udpate warning about suspending outside of a transition

Handle edge case where component suspends before the first commit (and label metadata) has been logged.

Add unit tests.

* Fixed logic error in getBatchRange() with minStartTime

* PR feedback: Combined a conditional statement