Enable scrollIntoViewOnCollapse by default on FileContentsCard demo

Author: VasylMarchuk

app/controllers/demo/file-contents-card.ts

@@ -65,7 +65,7 @@ export default class DemoFileContentsCardController extends Controller {
 
   @tracked isCollapsible: boolean = false;
   @tracked headerTooltipText: boolean = false;
-  @tracked scrollIntoViewOnCollapse: boolean = false;
+  @tracked scrollIntoViewOnCollapse: boolean = true;
 
   @action selectedDocumentIndexDidChange(event: Event) {
     const target: HTMLSelectElement = event.target as HTMLSelectElement;