feat: making SetHostVisibility virtual

allows people to override and do custom enable/disable stuff if needed

Assets/Mirage/Components/Visibility/HostRendererVisibility.cs

@@ -55,7 +55,7 @@ private void OnVisibilityChanged(INetworkPlayer player, bool visible)
                 SetHostVisibility(visible);
         }
 
-        private void SetHostVisibility(bool visible)
+        protected virtual void SetHostVisibility(bool visible)
         {
             for (var i = 0; i < _renderers.Length; i++)
                 _renderers[i].enabled = visible;