src/vs/workbench/contrib/debug/browser/debugViewlet.ts/DebugViewPaneContainer/focus
class DebugViewPaneContainer:	override focus(): void {
		super.focus();

		if (this.startDebugActionViewItem) {
			this.startDebugActionViewItem.focus();
		} else {
			this.focusView(WelcomeView.ID);
		}
	}