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

Author: PitouGames

com.unity.netcode.gameobjects/CHANGELOG.md

@@ -17,6 +17,7 @@ Additional documentation and release notes are available at [Multiplayer Documen
 - Fixed issue where a client could throw an exception if abruptly disconnected from a network session with one or more spawned `NetworkObject`(s). (#2510)
 - Fixed issue where invalid endpoint addresses were not being detected and returning false from NGO UnityTransport. (#2496)
 - Fixed some errors that could occur if a connection is lost and the loss is detected when attempting to write to the socket. (#2495)
+- Fixed missing value on `NetworkListEvent` for `EventType.RemoveAt` events server side. (#2542)
 
 ## Changed
 

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);