Tracy: annotate timings in `JIT_Total` zone with function names (#58219)
Suggestion by @topolarity while we were finding functions that took way
too long to JIT. This change corresponds to the `expand_forms_2`
annotations in the image below.
<img width="1536" alt="a"
src="https://github.com/user-attachments/assets/f6754b94-d70d-42ea-9e61-2bf8beedc419"
/>