src/vs/workbench/contrib/welcome/walkThrough/browser/walkThroughPart.ts/WalkThroughPart/saveState
class WalkThroughPart:	protected override saveState(): void {
		if (this.input instanceof WalkThroughInput) {
			this.saveTextEditorViewState(this.input);
		}

		super.saveState();
	}