Fixes the arrow key issue in the preferences tree. Fixes #7274

Ensure that the select folder dialog should be on top when selecting the binary path. Fixes #7276

web/pgadmin/static/js/tree/tree.js

@@ -26,7 +26,7 @@ function manageTreeEvents(event, eventName, item) {
   if (node_metadata.parent && node_metadata.parent.includes('/preferences') && obj.ptree.tree.type == 'preferences') {
     try {
       obj.Events.trigger(
-        'preferences:tree:' + eventName, item, d
+        'preferences:tree:' + eventName, event, item, d
       );
     } catch (e) {
       console.warn(e.stack || e);

web/pgadmin/static/scss/_alertify.overrides.scss

@@ -1,6 +1,6 @@
 /* Overrides alertify js headers */
 .alertify {
-  z-index: 3000;
+  z-index: 3002;
   position: fixed;
 
   .ajs-header {