Fixed the server heartbeat logging issue when server is removed. #5567

web/pgadmin/browser/server_groups/servers/static/js/server.js

@@ -227,6 +227,9 @@ define('pgadmin.node.server', [
                       }
                       t.unload(i);
                     }
+                    pgBrowser.Events.trigger(
+                      'pgadmin:server:disconnect', {item: i, data: d}, false
+                    );
                   }})
                 .fail(function(xhr, status, error) {
                   Notify.pgRespErrorNotify(xhr, error);