pkp/pkp-lib#9753 [stable-3_4_0] Move import of jqueryui from vendors …

…dir to js plugins

plugins/themes/default/DefaultThemePlugin.php

@@ -194,7 +194,7 @@ public function init()
         // Load jQuery from a CDN or, if CDNs are disabled, from a local copy.
         $min = Config::getVar('general', 'enable_minified') ? '.min' : '';
         $jquery = $request->getBaseUrl() . '/lib/pkp/lib/vendor/components/jquery/jquery' . $min . '.js';
-        $jqueryUI = $request->getBaseUrl() . '/lib/pkp/lib/vendor/components/jqueryui/jquery-ui' . $min . '.js';
+        $jqueryUI = $request->getBaseUrl() . '/lib/pkp/js/lib/jquery/plugins/jquery-ui/jquery-u' . $min . '.js';
         // Use an empty `baseUrl` argument to prevent the theme from looking for
         // the files within the theme directory
         $this->addScript('jQuery', $jquery, ['baseUrl' => '']);