refs #87208: fix trash alert

- use page path

packages/app/src/server/util/swigFunctions.js

@@ -146,8 +146,7 @@ module.exports = function(crowi, req, locals) {
     return false;
   };
 
-  locals.isTrashPage = function() {
-    const path = req.path || '';
+  locals.isTrashPage = function(path = '') {
     if (path.match(/^\/trash(\/.*)?$/)) {
       return true;
     }

packages/app/src/server/views/widget/page_alerts.html

@@ -73,7 +73,8 @@
     </div>
     {% endif %}
 
-    {% if isTrashPage() %}
+    {{isTrashPage}}
+    {% if isTrashPage(page.path) %}
       <div id="trash-page-alert"></div>
     {% endif %}
   </div>