[FIX] web_editor: prevent crash when publishing a payment in edit mode

When updateStyleInfo is called, the options is not necessarily on
editable area (eg: when update the toolbar for image)

addons/web_editor/static/lib/summernote/src/js/EventHandler.js

@@ -191,7 +191,7 @@ define([
       if (!styleInfo) {
         return;
       }
-      var isAirMode = layoutInfo.editor().data('options').airMode;
+      var isAirMode = (layoutInfo.editor().data('options') || {}).airMode;
       if (!isAirMode) {
         modules.toolbar.update(layoutInfo.toolbar(), styleInfo);
       }