fix: metrics off when tools off (#1269)

Author: mattwalsh-unity

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

@@ -503,8 +503,10 @@ private void Initialize(bool server)
 #if DEVELOPMENT_BUILD || UNITY_EDITOR
             m_MessagingSystem.Hook(new ProfilingHooks());
 #endif
-            m_MessagingSystem.Hook(new MetricHooks(this));
 
+#if MULTIPLAYER_TOOLS
+            m_MessagingSystem.Hook(new MetricHooks(this));
+#endif
             LocalClientId = ulong.MaxValue;
 
             PendingClients.Clear();

com.unity.netcode.gameobjects/Runtime/Timing/NetworkTickSystem.cs

@@ -6,7 +6,7 @@ namespace Unity.Netcode
     public class NetworkTickSystem
     {
 #if DEVELOPMENT_BUILD || UNITY_EDITOR
-        private static ProfilerMarker s_Tick = new ProfilerMarker($"{nameof(NetworkTimeSystem)}.Tick");
+        private static ProfilerMarker s_Tick = new ProfilerMarker($"{nameof(NetworkTickSystem)}.Tick");
 #endif
 
         /// <summary>