src/vs/workbench/services/hover/browser/hoverWidget.ts/HoverWidget/render
class HoverWidget:	public render(container?: HTMLElement): void {
		if (this._hoverPointer) {
			container?.appendChild(this._hoverPointer);
		}
		if (this._hover.containerDomNode.parentElement !== container) {
			container?.appendChild(this._hover.containerDomNode);
		}

		this.layout();
	}