Refactor MauiApp creation and organize usings

Replaced expression-bodied MauiApp creation with block-bodied methods for platform AppDelegate/App classes to improve readability and consistency. Also reordered using directives in RouteCacheService for better organization.

Author: Taiizor

samples/Blazouter.Hybrid.Sample/Platforms/MacCatalyst/AppDelegate.cs

@@ -5,6 +5,9 @@ namespace Blazouter.Hybrid.Sample
     [Register("AppDelegate")]
     public class AppDelegate : MauiUIApplicationDelegate
     {
-        protected override MauiApp CreateMauiApp() => MauiProgram.CreateMauiApp();
+        protected override MauiApp CreateMauiApp()
+        {
+            return MauiProgram.CreateMauiApp();
+        }
     }
 }

samples/Blazouter.Hybrid.Sample/Platforms/Windows/App.xaml.cs

@@ -19,7 +19,10 @@ public App()
             this.InitializeComponent();
         }
 
-        protected override MauiApp CreateMauiApp() => MauiProgram.CreateMauiApp();
+        protected override MauiApp CreateMauiApp()
+        {
+            return MauiProgram.CreateMauiApp();
+        }
     }
 
 }

samples/Blazouter.Hybrid.Sample/Platforms/iOS/AppDelegate.cs

@@ -5,6 +5,9 @@ namespace Blazouter.Hybrid.Sample
     [Register("AppDelegate")]
     public class AppDelegate : MauiUIApplicationDelegate
     {
-        protected override MauiApp CreateMauiApp() => MauiProgram.CreateMauiApp();
+        protected override MauiApp CreateMauiApp()
+        {
+            return MauiProgram.CreateMauiApp();
+        }
     }
 }

src/Blazouter/Services/RouteCacheService.cs

@@ -1,6 +1,6 @@
-using System.Collections.Concurrent;
 using Blazouter.Interfaces;
 using Blazouter.Models;
+using System.Collections.Concurrent;
 
 namespace Blazouter.Services
 {