Move various thread-local objects that were used in self-contained places out of Thread#99989

Merged

jkoritzinsky merged 7 commits intodotnet:mainfrom

jkoritzinsky:threadlocal

Mar 22, 2024

Commits on Mar 21, 2024

Use a single global CLRRandom instance in GetRandomInt as there's only one place that will use it in release builds, and it will only be used once in the process (all other uses are debug-only)
jkoritzinsky
committed
Remove pragmas from LoadLevelLimiter and clean up the code a little
jkoritzinsky
committed