putting this to the latest latest version with NGO develop. This will need pre.8 to work though

Author: SamuelBellomo

Packages/com.unity.multiplayer.samples.coop/Utilities/Net/ClientAuthority/ClientNetworkTransform.cs

@@ -37,5 +37,10 @@ protected override void Update()
                 }
             }
         }
+
+        protected override bool OnIsServerAuthoritatitive()
+        {
+            return false;
+        }
     }
 }