nested mat tree drag and drop -- 3

Rewrite this :
https://stackblitz.com/edit/angular-cdk-nested-drag-drop-tree-structure

Using NestedTreeControl and MatTreeNestedDataSource only (
import { NestedTreeControl } from '@angular/cdk/tree';
import { MatTreeNestedDataSource } from '@angular/material/tree';
)

Angular 10+
Add and implement CDK drag and drop to this project:

https://stackblitz.com/edit/angular-material-nested-tree-with-updates-ugtnft?file=src%2Fapp%2Ftree-datasource.ts