1. Placeholder should be inside the controlProps. Change the placeholder from 'Select...' to 'Select an item...'

2. Updated grant wizard screenshot and documentation.
3. Remove '(Beta)' from ERD Tool and PSQL Tool.

web/pgadmin/tools/psql/static/js/psql_module.js

@@ -49,7 +49,7 @@ export function initialize(gettext, url_for, $, _, pgAdmin, csrfToken, Browser)
         applies: ['tools'],
         callback: 'psql_tool',
         priority: 1,
-        label: gettext('PSQL Tool (Beta)'),
+        label: gettext('PSQL Tool'),
         enable: this.psqlToolEnabled,
       }];