fix: Incorrect clientId in OnClientConnectedCallback#3312

EmandM merged 2 commits intodevelop-2.0.0Unity-Technologies/com.unity.netcode.gameobjects:develop-2.0.0from

fix/MTTB-1030-incorrect-clientid-in-callbackUnity-Technologies/com.unity.netcode.gameobjects:fix/MTTB-1030-incorrect-clientid-in-callbackCopy head branch name to clipboard