Fix StateRoot not restoring it's own state

sample/BitzArt.Blazor.State.SampleApp/BitzArt.Blazor.State.SampleApp.Client/Pages/CounterPage.razor

@@ -6,6 +6,8 @@
 
 <p>Current rendermode: @RendererInfo.Name</p>
 
+State: @Text
+
 @if (!RendererInfo.IsInteractive)
 {
     <p>Waiting for interactivity..</p>

sample/BitzArt.Blazor.State.SampleApp/BitzArt.Blazor.State.SampleApp.Client/Pages/CounterPage.razor.cs

@@ -1,7 +1,12 @@
-using BitzArt.Blazor.State.SampleApp.Client.Components;
-
-namespace BitzArt.Blazor.State.SampleApp.Client.Pages;
+namespace BitzArt.Blazor.State.SampleApp.Client.Pages;
 
 public partial class CounterPage : PersistentComponentBase
 {
+    [ComponentState]
+    private string Text = "Not Initialized";
+
+    protected override void InitializeState()
+    {
+        Text = "Initialized";
+    }
 }

src/BitzArt.Blazor.State/RenderStrategies/PersistentPageRenderStrategy.cs

@@ -1,6 +1,5 @@
 using Microsoft.AspNetCore.Components;
 using Microsoft.AspNetCore.Components.Rendering;
-using Microsoft.AspNetCore.Components.Web;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using Microsoft.JSInterop;
@@ -83,6 +82,16 @@ protected override async Task<bool> TryRestoringStateAsync()
         }
 
         PageState = RestoreBase64State(stateBase64);
+
+        var state = PageState.GetComponentState([]);
+
+        if (state is null)
+        {
+            // Root state not found.
+            return false;
+        }
+
+        RestoreComponentState(state);
         StateInitialized = true;
 
         PersistentComponent.OnStateRestoredInternal();