src/vs/workbench/browser/parts/views/treeView.ts/TreeRenderer/shouldHideResourceLabelIcon
class TreeRenderer:	private shouldHideResourceLabelIcon(iconUrl: URI | undefined, icon: ThemeIcon | undefined): boolean {
		// We always hide the resource label in favor of the iconUrl when it's provided.
		// When `ThemeIcon` is provided, we hide the resource label icon in favor of it only if it's a not a file icon.
		return (!!iconUrl || (!!icon && !this.isFileKindThemeIcon(icon)));
	}