list focus controller do not focus into elements that have tabIndex -1

fixes #52299

src/vs/base/browser/ui/list/listWidget.ts

@@ -358,7 +358,7 @@ class DOMFocusController<T> implements IDisposable {
 		const focusedDomElement = this.view.domElement(focus[0]);
 		const tabIndexElement = focusedDomElement.querySelector('[tabIndex]');
 
-		if (!tabIndexElement || !(tabIndexElement instanceof HTMLElement)) {
+		if (!tabIndexElement || !(tabIndexElement instanceof HTMLElement) || tabIndexElement.tabIndex === -1) {
 			return;
 		}