src/vs/platform/actions/browser/menuEntryActionViewItem.ts/SubmenuEntryActionViewItem/render
class SubmenuEntryActionViewItem:	override render(container: HTMLElement): void {
		super.render(container);
		if (this.element) {
			container.classList.add('menu-entry');
			const { icon } = (<SubmenuItemAction>this._action).item;
			if (icon && !ThemeIcon.isThemeIcon(icon)) {
				this.element.classList.add('icon');
				if (icon.light) {
					this.element.style.setProperty('--menu-entry-icon-light', asCSSUrl(icon.light));
				}
				if (icon.dark) {
					this.element.style.setProperty('--menu-entry-icon-dark', asCSSUrl(icon.dark));
				}
			}
		}
	}