Notify Reference Tracker runtime of disconnect at the right time#58472

AaronRobinsonMSFT merged 2 commits intodotnet:maindotnet/runtime:mainfrom

AaronRobinsonMSFT:reftracker_disconnect_semantic_net7AaronRobinsonMSFT/runtime:reftracker_disconnect_semantic_net7Copy head branch name to clipboard