fix(registry/consul): use health check option to control custom checks (#2391)

contrib/registry/consul/client.go

@@ -132,6 +132,8 @@ func (c *Client) Register(_ context.Context, svc *registry.ServiceInstance, enab
 				Timeout:                        "5s",
 			})
 		}
+		// custom checks
+		asr.Checks = append(asr.Checks, c.serviceChecks...)
 	}
 	if c.heartbeat {
 		asr.Checks = append(asr.Checks, &api.AgentServiceCheck{
@@ -141,9 +143,6 @@ func (c *Client) Register(_ context.Context, svc *registry.ServiceInstance, enab
 		})
 	}
 
-	// custom checks
-	asr.Checks = append(asr.Checks, c.serviceChecks...)
-
 	err := c.cli.Agent().ServiceRegister(asr)
 	if err != nil {
 		return err