remove collectionsStateMap from Page

packages/core/src/dom_components/model/ComponentWrapper.ts

@@ -103,10 +103,9 @@ export default class ComponentWrapper extends ComponentWithCollectionsState<Data
   }
 
   onCollectionsStateMapUpdate(collectionsStateMap: DataCollectionStateMap) {
-    const { page, head } = this;
+    const { head } = this;
     super.onCollectionsStateMapUpdate(collectionsStateMap);
     head.onCollectionsStateMapUpdate(collectionsStateMap);
-    if (page) page.collectionsStateMap = collectionsStateMap;
   }
 
   syncComponentsCollectionState() {

packages/core/src/pages/model/Page.ts

@@ -39,8 +39,6 @@ export interface PagePropertiesDefined extends Pick<PageProperties, 'id' | 'name
 }
 
 export default class Page extends Model<PagePropertiesDefined> {
-  collectionsStateMap: DataCollectionStateMap = {};
-
   defaults() {
     return {
       name: '',

packages/core/test/specs/dom_components/model/ComponentWrapper.ts

@@ -97,7 +97,6 @@ describe('ComponentWrapper', () => {
       const stateMap = wrapper.collectionsStateMap;
 
       expect(stateMap).toHaveProperty(keyRootData);
-      expect(wrapper.page?.collectionsStateMap).toEqual(stateMap);
       expect(wrapper.head.collectionsStateMap).toEqual(stateMap);
     });