src/vs/workbench/contrib/notebook/browser/view/cellParts/cellToolbars.ts/CellTitleToolbarPart/didRenderCell
class CellTitleToolbarPart:	override didRenderCell(element: ICellViewModel): void {
		this.cellDisposables.add(registerStickyScroll(this._notebookEditor, element, this.toolbarContainer, { extraOffset: 4, min: -14 }));

		this.updateContext(<INotebookCellActionContext>{
			ui: true,
			cell: element,
			notebookEditor: this._notebookEditor,
			$mid: MarshalledId.NotebookCellActionContext
		});
	}