[MOV] VNode: move AbstractNode into its own file

Author: dmo-odoo

packages/core/src/VNodes/AbstractNode.ts

@@ -1,4 +1,5 @@
-import { VNode, Predicate, AbstractNode } from './VNode';
+import { AbstractNode } from './AbstractNode';
+import { VNode, Predicate } from './VNode';
 import { AtomicityError } from '../../../utils/src/errors';
 
 /**

packages/core/src/VNodes/AtomicNode.ts

@@ -1,4 +1,5 @@
-import { VNode, Predicate, isLeaf, AbstractNode } from './VNode';
+import { AbstractNode } from './AbstractNode';
+import { VNode, Predicate, isLeaf } from './VNode';
 import { ChildError } from '../../../utils/src/errors';
 
 export class ContainerNode extends AbstractNode {