fix: Reset NetworkClient upon shutdown#3491

NoelStephensUnity merged 9 commits intodevelop-2.0.0Unity-Technologies/com.unity.netcode.gameobjects:develop-2.0.0from

fix/reset-networkclient-completely-upon-shutdownUnity-Technologies/com.unity.netcode.gameobjects:fix/reset-networkclient-completely-upon-shutdownCopy head branch name to clipboard