fix: preserve NonRetryableError message when compat flag is enabled#13560

petebacondarwin merged 8 commits intocloudflare:maincloudflare/workers-sdk:mainfrom

vaishnav-mk:vaish/fix-nonretryable-error-messagevaishnav-mk/workers-sdk:vaish/fix-nonretryable-error-messageCopy head branch name to clipboard