Avoids double lookup

Author: eamodio

src/views/viewBase.ts

@@ -270,7 +270,7 @@ export abstract class ViewBase<
 		if (this.container.debugging || configuration.get('debug')) {
 			function addDebuggingInfo(item: TreeItem, node: ViewNode, parent: ViewNode | undefined) {
 				item.tooltip ??= new MarkdownString(
-					item.label != null && typeof item.label !== 'string' ? item.label.label : (item.label ?? ''),
+					item.label != null && typeof item.label !== 'string' ? item.label.label : item.label ?? '',
 				);
 
 				if (typeof item.tooltip === 'string') {
@@ -510,9 +510,10 @@ export abstract class ViewBase<
 
 		const ensureGroupedHeaderNode = (children: ViewNode[]): ViewNode[] => {
 			if (!children.length) return children;
-			if (children[0] instanceof GroupedHeaderNode) return children.length === 1 ? [] : children;
 
 			const index = children.findIndex(n => n instanceof GroupedHeaderNode);
+			if (index === 0) return children.length === 1 ? [] : children;
+
 			if (index === -1) {
 				children.unshift(new GroupedHeaderNode(this as unknown as View, node));
 			} else if (index > 0) {
@@ -565,8 +566,8 @@ export abstract class ViewBase<
 			(this.grouped
 				? `${this.name.toLocaleLowerCase()}${count != null ? ` (${count})` : ''}`
 				: count != null
-					? `(${count})`
-					: '') || undefined
+				  ? `(${count})`
+				  : '') || undefined
 		);
 	}