src/vs/workbench/contrib/notebook/browser/view/cellParts/cellDnd.ts/CellDragAndDropController/setList
class CellDragAndDropController:	setList(value: INotebookCellList) {
		this.list = value;

		this.listOnWillScrollListener.value = this.list.onWillScroll(e => {
			if (!e.scrollTopChanged) {
				return;
			}

			this.setInsertIndicatorVisibility(false);
			this.isScrolling = true;
			this.scrollingDelayer.trigger(() => {
				this.isScrolling = false;
			});
		});
	}