Inject editor model in Pages

src/pages/index.ts

@@ -101,7 +101,7 @@ export default class PageManager extends ItemManagerModule<Config, Pages> {
    * @private
    */
   constructor(em: EditorModel) {
-    super(em, 'PageManager', new Pages([]), events);
+    super(em, 'PageManager', new Pages([], em), events);
     bindAll(this, '_onPageChange');
     const model = new Model({ _undo: true } as any);
     this.model = model;

src/pages/model/Page.ts

@@ -15,7 +15,6 @@ export default class Page extends Model {
 
   constructor(props: any, opts: any = {}) {
     super(props, opts);
-    const { config = {} } = opts;
     const { em } = opts;
     const defFrame: any = {};
     this.em = em;

src/pages/model/Pages.ts

@@ -1,11 +1,17 @@
 import { Collection } from '../../common';
+import EditorModel from '../../editor/model/Editor';
 import Page from './Page';
 
 export default class Pages extends Collection<Page> {
-  constructor(models: any) {
+  constructor(models: any, em: EditorModel) {
     super(models);
     this.on('reset', this.onReset);
     this.on('remove', this.onRemove);
+
+    // @ts-ignore We need to inject `em` for pages created on reset from the Storage load
+    this.model = (props: {}, opts = {}) => {
+      return new Page(props, {...opts, em });
+    }
   }
 
   onReset(m: Page, opts?: { previousModels?: Pages }) {