fix: NetworkAnimator initialization sequencing

Author: EmandM

com.unity.netcode.gameobjects/Runtime/Components/NetworkAnimator.cs

@@ -720,13 +720,16 @@ internal AnimationMessage GetAnimationMessage()
             return m_AnimationMessage;
         }
 
-        /// <inheritdoc/>
-        public override void OnNetworkSpawn()
+        internal override void InternalOnNetworkPreSpawn(ref NetworkManager networkManager)
         {
             // Save internal state references
-            m_LocalNetworkManager = NetworkManager;
+            m_LocalNetworkManager = networkManager;
             DistributedAuthorityMode = m_LocalNetworkManager.DistributedAuthorityMode;
+        }
 
+        /// <inheritdoc/>
+        public override void OnNetworkSpawn()
+        {
             // If there is no assigned Animator then generate a server network warning (logged locally and if applicable on the server-host side as well).
             if (m_Animator == null)
             {

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

@@ -753,6 +753,8 @@ public virtual void OnNetworkDespawn() { }
         /// </summary>
         public virtual void OnNetworkPreDespawn() { }
 
+        internal virtual void InternalOnNetworkPreSpawn(ref NetworkManager networkManager) { }
+
         internal void NetworkPreSpawn(ref NetworkManager networkManager, NetworkObject networkObject)
         {
             m_NetworkObject = networkObject;
@@ -761,6 +763,8 @@ internal void NetworkPreSpawn(ref NetworkManager networkManager, NetworkObject n
 
             UpdateNetworkProperties();
 
+            InternalOnNetworkPreSpawn(ref networkManager);
+
             // Exit early for disabled NetworkBehaviours.
             // We still want the above values to be set.
             if (!gameObject.activeInHierarchy)