code review comments

Author: vkarpov15

backend/actions/Model/listModels.js

@@ -46,10 +46,11 @@ module.exports = ({ db }) => async function listModels(params) {
         }
       }
     }
+    removeSpecifiedPaths(schemaPaths, '.$*');
   }
 
   return {
-    models: Object.keys(db.models).filter(key => !key.startsWith('__Studio_')).sort(),
+    models,
     modelSchemaPaths,
     readyState
   };

frontend/src/dashboard-result/dashboard-document/dashboard-document.js

@@ -10,7 +10,7 @@ module.exports = app => app.component('dashboard-document', {
   inject: ['state'],
   computed: {
     references() {
-      const model = this.value.$document.model || 'User';
+      const model = this.value.$document?.model;
       if (typeof model === 'string' && this.state.modelSchemaPaths?.[model]) {
         const map = {};
         for (const path of Object.keys(this.state.modelSchemaPaths[model])) {