From 4523f9b8d7cc3dc8ce94c1e010c972c4093ecf42 Mon Sep 17 00:00:00 2001
From: Artur Arseniev <artur.catch@hotmail.it>
Date: Thu, 27 Aug 2020 23:47:42 +0200
Subject: [PATCH] Add `_isEditor` flag to canvas iframes

---
 src/canvas/view/FrameView.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/canvas/view/FrameView.js b/src/canvas/view/FrameView.js
index b46374fc2..ab01e1e34 100644
--- a/src/canvas/view/FrameView.js
+++ b/src/canvas/view/FrameView.js
@@ -259,6 +259,7 @@ export default Backbone.View.extend({
     const win = this.getWindow();
     const conf = em.get('Config');
     const extStyles = [];
+    win._isEditor = true;
 
     config.styles.forEach(href =>
       extStyles.push(