src/vs/workbench/contrib/extensions/browser/extensionsViews.ts/ExtensionsListView/focus
class ExtensionsListView:	override focus(): void {
		super.focus();
		if (!this.list) {
			return;
		}

		if (!(this.list.getFocus().length || this.list.getSelection().length)) {
			this.list.focusNext();
		}
		this.list.domFocus();
	}