Fix frame track

src/canvas/model/Frame.js

@@ -16,7 +16,8 @@ export default Model.extend({
     head: [],
     component: '',
     styles: '',
-    _undo: true
+    _undo: true,
+    _undoexc: ['changesCount']
   }),
 
   initialize(props, opts = {}) {
@@ -144,6 +145,7 @@ export default Model.extend({
     const obj = Model.prototype.toJSON.call(this, opts);
     const defaults = result(this, 'defaults');
 
+    if (opts.fromUndo) delete obj.component;
     delete obj.styles;
     delete obj.changesCount;
     obj[keyAutoW] && delete obj.width;

src/dom_components/model/Component.js

@@ -1384,7 +1384,7 @@ const Component = Backbone.Model.extend(Styleable).extend(
       delete obj.status;
       delete obj.open; // used in Layers
 
-      if (!opts.keepSymbols) {
+      if (!opts.fromUndo) {
         if (obj[keySymbols]) {
           obj[keySymbols] = this.__getSymbToUp().map(i => i.getId());
         }