update

Disposing the internal original.

Author: NoelStephensUnity

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

@@ -185,7 +185,13 @@ public override void Dispose()
             }
 
             m_InternalValue = default;
+
+            if (m_InternalOriginalValue is IDisposable internalOriginalValueDisposable)
+            {
+                internalOriginalValueDisposable.Dispose();
+            }
             m_InternalOriginalValue = default;
+
             if (m_HasPreviousValue && m_PreviousValue is IDisposable previousValueDisposable)
             {
                 m_HasPreviousValue = false;