fix: make pb image downloads random, remove prewarm from pb protocol#2784

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07-21-fix_clean_up_worker_threads_in_the_event_of_an_errorrivet-dev/rivet:07-21-fix_clean_up_worker_threads_in_the_event_of_an_errorfrom

07-22-fix_make_pb_image_downloads_random_remove_prewarm_from_pb_protocolrivet-dev/rivet:07-22-fix_make_pb_image_downloads_random_remove_prewarm_from_pb_protocolCopy head branch name to clipboard