Fix Blazor Server Sample Razor Page Duplication

Author: mckaragoz

samples/CodeBeam.UltimateAuth.Sample.Shared/Components/SampleRoutes.razor

@@ -1,5 +1,4 @@
 @using System.Reflection
-@using CodeBeam.UltimateAuth.Sample.Shared.Components.Page
 @using CodeBeam.UltimateAuth.Sample.Shared.Infrastructure
 @implements IDisposable
 

samples/blazor-server/CodeBeam.UltimateAuth.Sample.BlazorServer/AuthorizationLab/AdminPermissionPage.razor

@@ -21,6 +21,7 @@
 @using CodeBeam.UltimateAuth.Sample.Shared.Components
 @using CodeBeam.UltimateAuth.Sample.Shared.Components.Page
 @using CodeBeam.UltimateAuth.Sample.Shared.Components.Layout
+@using CodeBeam.UltimateAuth.Sample.Shared.Components.Custom
 
 @using MudBlazor
 @using MudExtensions