fix: Reset NetworkClient upon shutdown [Backport]#3494

NoelStephensUnity merged 4 commits intodevelopUnity-Technologies/com.unity.netcode.gameobjects:developfrom

fix/reset-networkclient-completely-upon-shutdown-backportUnity-Technologies/com.unity.netcode.gameobjects:fix/reset-networkclient-completely-upon-shutdown-backportCopy head branch name to clipboard