Do not validate the attributes on saving, because - sometimes it results

into an error, and does not call the callback - 'success/fail'
internally.

And, that will not close the property dialog in those cases.

Reported by Harshal Dhumal.

web/pgadmin/browser/templates/browser/js/node.js

@@ -845,7 +845,7 @@ function($, _, S, pgAdmin, Menu, Backbone, Alertify, pgBrowser, Backform) {
                   if (d && !_.isEmpty(d)) {
                     m.save({}, {
                       attrs: d,
-                      validate: true,
+                      validate: false,
                       cache: false,
                       success: function() {
                         onSaveFunc.call();