Revert "Check collapse state of tree node when doing recursive refresh (microsoft#127071)"

Fixes microsoft#127711
This reverts commit c683180.

Author: alexr00

src/vs/base/browser/ui/tree/asyncDataTree.ts

@@ -881,10 +881,6 @@ export class AsyncDataTree<TInput, T, TFilterData = void> implements IDisposable
 						asyncDataTreeNode.children.forEach(node => dfs(node, node => this.nodes.delete(node.element as T)));
 						asyncDataTreeNode.children.splice(0, asyncDataTreeNode.children.length);
 						asyncDataTreeNode.stale = true;
-						if (this.collapseByDefault && !this.collapseByDefault(element)) {
-							asyncDataTreeNode.collapsedByDefault = false;
-							childrenToRefresh.push(asyncDataTreeNode);
-						}
 					} else {
 						childrenToRefresh.push(asyncDataTreeNode);
 					}

src/vs/base/test/browser/ui/tree/asyncDataTree.test.ts

@@ -435,45 +435,4 @@ suite('AsyncDataTree', function () {
 
 		assert.deepStrictEqual(Array.from(container.querySelectorAll('.monaco-list-row')).map(e => e.textContent), ['a', 'b2']);
 	});
-
-	test('issue #127035 - tree should react to collapseByDefault toggles', async () => {
-		const container = document.createElement('div');
-		const model = new Model({
-			id: 'root',
-			children: [{
-				id: 'a'
-			}]
-		});
-
-		let collapseByDefault = () => true;
-		const tree = new AsyncDataTree<Element, Element>('test', container, new VirtualDelegate(), [new Renderer()], new DataSource(), {
-			identityProvider: new IdentityProvider(),
-			collapseByDefault: _ => collapseByDefault()
-		});
-		tree.layout(200);
-
-		await tree.setInput(model.root);
-		assert.strictEqual(container.querySelectorAll('.monaco-list-row').length, 1);
-
-		let twistie = container.querySelector('.monaco-list-row:first-child .monaco-tl-twistie') as HTMLElement;
-		assert(!twistie.classList.contains('collapsible'));
-		assert(!twistie.classList.contains('collapsed'));
-
-		collapseByDefault = () => false;
-		model.get('a').children = [{ id: 'aa' }];
-		await tree.updateChildren(model.root, true);
-
-		const rows = container.querySelectorAll('.monaco-list-row');
-		assert.strictEqual(rows.length, 2);
-
-		const aTwistie = rows.item(0).querySelector('.monaco-tl-twistie') as HTMLElement;
-		assert(aTwistie.classList.contains('collapsible'));
-		assert(!aTwistie.classList.contains('collapsed'));
-
-		const aaTwistie = rows.item(1).querySelector('.monaco-tl-twistie') as HTMLElement;
-		assert(!aaTwistie.classList.contains('collapsible'));
-		assert(!aaTwistie.classList.contains('collapsed'));
-
-		tree.dispose();
-	});
 });