src/vs/workbench/contrib/notebook/browser/view/renderers/cellRenderer.ts/MarkupCellRenderer/getEditDragImage
class MarkupCellRenderer:	private getEditDragImage(templateData: MarkdownCellRenderTemplate): HTMLElement {
		return new CodeCellDragImageRenderer().getDragImage(templateData, templateData.currentEditor!, 'markdown');
	}