BugFix: escape regex characters when list descendants

src/server/routes/page.js

@@ -428,7 +428,7 @@ module.exports = function(crowi, app) {
 
     const limit = 50;
     const offset = parseInt(req.query.offset) || 0;
-    await addRenderVarsForDescendants(renderVars, path, req.user, offset, limit);
+    await addRenderVarsForDescendants(renderVars, path, req.user, offset, limit, true);
 
     return res.render(view, renderVars);
   };