fix: (unfix) revert Application.isPlaying check in NetworkScenePostProcess#550

mattwalsh-unity merged 1 commit intorelease/0.1.0Unity-Technologies/com.unity.netcode.gameobjects:release/0.1.0from

fix/unfix-ppsceneUnity-Technologies/com.unity.netcode.gameobjects:fix/unfix-ppsceneCopy head branch name to clipboard