Fix opposite null check

Author: noellie-velez

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

@@ -3763,7 +3763,7 @@ private void InternalInitialization(bool isOwnershipChange = false)
             if (CanCommitToTransform)
             {
                 // Make sure authority doesn't get added to updates (no need to do this on the authority side)
-                m_CachedNetworkManager.NetworkTransformRegistration(m_CachedNetworkObject, forUpdate, false);
+                m_CachedNetworkManager.NetworkTransformRegistration(NetworkObject, forUpdate, false);
                 if (UseHalfFloatPrecision)
                 {
                     m_HalfPositionState = new NetworkDeltaPosition(currentPosition, m_CachedNetworkManager.ServerTime.Tick, math.bool3(SyncPositionX, SyncPositionY, SyncPositionZ));
@@ -3792,7 +3792,7 @@ private void InternalInitialization(bool isOwnershipChange = false)
                 m_PreviousScaleLerpSmoothing = ScaleLerpSmoothing;
 
                 // Non-authority needs to be added to updates for interpolation and applying state purposes
-                m_CachedNetworkManager.NetworkTransformRegistration(m_CachedNetworkObject, forUpdate, true);
+                m_CachedNetworkManager.NetworkTransformRegistration(NetworkObject, forUpdate, true);
                 // Remove this instance from the tick update
                 DeregisterForTickUpdate(this);
                 ResetInterpolatedStateToCurrentAuthoritativeState();

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

@@ -1168,7 +1168,7 @@ private bool InternalHasAuthority()
         /// <summary>
         /// Gets if the object is owned by the local player or if the object is the local player object
         /// </summary>
-        public bool IsOwner => IsSpawned && OwnerClientId == NetworkManager.LocalClientId;
+        public bool IsOwner => IsSpawned && OwnerClientId == NetworkManagerOwner.LocalClientId;
 
         /// <summary>
         /// Gets Whether or not the object is owned by anyone
@@ -2247,7 +2247,7 @@ public bool TrySetParent(NetworkObject parent, bool worldPositionStays = true)
 
         internal bool InternalTrySetParent(NetworkObject parent, bool worldPositionStays = true)
         {
-            if (!parent && (IsSpawned ^ parent.IsSpawned) && !NetworkManager.ShutdownInProgress)
+            if (parent && (IsSpawned ^ parent.IsSpawned) && !NetworkManager.ShutdownInProgress)
             {
                 if (NetworkManager.LogLevel <= LogLevel.Developer)
                 {
@@ -2454,7 +2454,7 @@ internal bool ApplyNetworkParenting(bool removeParent = false, bool ignoreNotSpa
             // has been set, this will not be entered into again (i.e. the later code will be invoked and
             // users will get notifications when the parent changes).
             var isInScenePlaced = IsSceneObject.HasValue && IsSceneObject.Value;
-            if (!transform.parent && !removeParent && !m_LatestParent.HasValue && isInScenePlaced)
+            if (transform.parent && !removeParent && !m_LatestParent.HasValue && isInScenePlaced)
             {
                 var parentNetworkObject = transform.parent.GetComponent<NetworkObject>();