fix: missing value on NetworkListEvent for EventType.RemoveAt events server side (#2542)

com.unity.netcode.gameobjects/CHANGELOG.md

@@ -13,6 +13,7 @@ Additional documentation and release notes are available at [Multiplayer Documen
 ### Fixed
 
 - Fixed the "Generate Default Network Prefabs List" setting not loading correctly and always reverting to being checked. (#2545)
+- Fixed missing value on `NetworkListEvent` for `EventType.RemoveAt` events server side. (#2542)
 - Fixed the inspector throwing exceptions when attempting to render `NetworkVariable`s of enum types. (#2529)
 - Making a `NetworkVariable` with an `INetworkSerializable` type that doesn't meet the `new()` constraint will now create a compile-time error instead of an editor crash (#2528)
 - Fixed Multiplayer Tools package installation docs page link on the NetworkManager popup. (#2526)

com.unity.netcode.gameobjects/Runtime/NetworkVariable/Collections/NetworkList.cs

@@ -490,12 +490,14 @@ public void RemoveAt(int index)
                 throw new InvalidOperationException("Client is not allowed to write to this NetworkList");
             }
 
+            var value = m_List[index];
             m_List.RemoveAt(index);
 
             var listEvent = new NetworkListEvent<T>()
             {
                 Type = NetworkListEvent<T>.EventType.RemoveAt,
-                Index = index
+                Index = index,
+                Value = value
             };
 
             HandleAddListEvent(listEvent);