Replaced tenary operator with Visibility Widget

lib/presentation/views/graph_view.dart

@@ -25,13 +25,34 @@ class _GraphViewState extends State<GraphView> {
 
   @override
   Widget build(BuildContext context) {
+    print('roundNumber: ${widget.gameSession.roundNumber}');
     return CupertinoPageScaffold(
         navigationBar: CupertinoNavigationBar(
           middle: Text(AppLocalizations.of(context).scoring_history),
           previousPageTitle: AppLocalizations.of(context).back,
         ),
-        child: widget.gameSession.roundNumber > 1
+        child: Visibility(
-            ? Padding(
+          visible: widget.gameSession.roundNumber > 1 ||
+              widget.gameSession.isGameFinished,
+          replacement: Column(
+            mainAxisAlignment: MainAxisAlignment.center,
+            crossAxisAlignment: CrossAxisAlignment.center,
+            children: [
+              const Center(
+                child: Icon(CupertinoIcons.chart_bar_alt_fill, size: 60),
+              ),
+              const SizedBox(height: 10),
+              Padding(
+                padding: const EdgeInsets.symmetric(horizontal: 40),
+                child: Text(
+                  AppLocalizations.of(context).empty_graph_text,
+                  textAlign: TextAlign.center,
+                  style: const TextStyle(fontSize: 16),
+                ),
+              ),
+            ],
+          ),
+          child: Padding(
             padding: const EdgeInsets.fromLTRB(0, 100, 0, 0),
             child: SfCartesianChart(
               enableAxisAnimation: true,
@@ -60,24 +81,7 @@ class _GraphViewState extends State<GraphView> {
               ),
               series: getCumulativeScores(),
             ),
-              )
-            : Column(
-                mainAxisAlignment: MainAxisAlignment.center,
-                crossAxisAlignment: CrossAxisAlignment.center,
-                children: [
-                  const Center(
-                    child: Icon(CupertinoIcons.chart_bar_alt_fill, size: 60),
           ),
-                  const SizedBox(height: 10),
-                  Padding(
-                    padding: const EdgeInsets.symmetric(horizontal: 40),
-                    child: Text(
-                      AppLocalizations.of(context).empty_graph_text,
-                      textAlign: TextAlign.center,
-                      style: const TextStyle(fontSize: 16),
-                    ),
-                  ),
-                ],
         ));
   }