update

Making some minor modifications to assure we can make stand alone builds.

Author: NoelStephensUnity

com.unity.netcode.gameobjects/Runtime/Core/NetworkManager.cs

@@ -2109,7 +2109,6 @@ internal static void OnOneTimeTearDown()
         public static OnConnectDelegate OnNetCodeConnect;
         public static OnDisconnectDelegate OnNetCodeDisconnect;
 
-#if UNITY_EDITOR
         // TODO-UNIFIED: For POC only (centralizing)
         public static MPPMCheckInfo MPPMCheck => MPPMCheckInternal;
         internal static MPPMCheckInfo MPPMCheckInternal = new MPPMCheckInfo();
@@ -2120,7 +2119,7 @@ public class MPPMCheckInfo
             public bool HasClientTag;
             internal void Initialize()
             {
-#if UNITY_MULTIPLAYER_PLAYMODE
+#if UNITY_MULTIPLAYER_PLAYMODE && UNITY_EDITOR
                 Installed = true;
                 var tags = Multiplayer.PlayMode.CurrentPlayer.Tags;
                 foreach (var tag in tags)
@@ -2139,7 +2138,6 @@ internal void Initialize()
 #endif
             }
         }
-#endif
 #endif
     }
 }

com.unity.netcode.gameobjects/Runtime/Core/NetworkObject.cs

@@ -368,7 +368,7 @@ private void CheckForInScenePlaced()
         [HideInInspector]
         [SerializeField]
         internal bool HadBridge;
-
+#if UNITY_EDITOR
         private void UnifiedValidation()
         {
             NetworkObjectBridge = GetComponent<NetworkObjectBridge>();
@@ -396,13 +396,15 @@ private void UnifiedValidation()
                 }
 
                 EditorUtility.SetDirty(gameObject);
+
             }
             else if (HadBridge && !HasGhost && !NetworkObjectBridge)
             {
                 HadBridge = false;
                 SynchronizeTransform = true;
             }
         }
+#endif
 #endif
         /// <summary>
         /// Gets the NetworkManager that owns this NetworkObject instance