Code Quality: Moved FileThumbnailHelper initialization to AppLifecycleHelper

Author: workbysaran

src/Files.App/App.xaml.cs

@@ -111,9 +111,6 @@ async Task ActivateAsync()
 				Logger = Ioc.Default.GetRequiredService<ILogger<App>>();
 				AppModel = Ioc.Default.GetRequiredService<AppModel>();
 
-				var thumbnailService = Ioc.Default.GetRequiredService<IThumbnailService>();
-				FileThumbnailHelper.Initialize(thumbnailService);
-
 				// Hook events for the window
 				MainWindow.Instance.Closed += Window_Closed;
 				MainWindow.Instance.Activated += Window_Activated;

src/Files.App/Helpers/Application/AppLifecycleHelper.cs

@@ -104,6 +104,8 @@ public static async Task InitializeAppComponentsAsync()
 			var addItemService = Ioc.Default.GetRequiredService<IAddItemService>();
 			var generalSettingsService = userSettingsService.GeneralSettingsService;
 			var jumpListService = Ioc.Default.GetRequiredService<IWindowsJumpListService>();
+			var thumbnailService = Ioc.Default.GetRequiredService<IThumbnailService>();
+			FileThumbnailHelper.Initialize(thumbnailService);
 
 			// Start off a list of tasks we need to run before we can continue startup
 			await Task.WhenAll(

src/Files.App/Utils/Storage/Helpers/FileThumbnailHelper.cs

@@ -8,11 +8,11 @@ namespace Files.App.Utils.Storage
 {
 	public static class FileThumbnailHelper
 	{
-		private static IThumbnailService? _thumbnailService;
+		private static IThumbnailService? thumbnailService;
 
 		public static void Initialize(IThumbnailService thumbnailService)
 		{
-			_thumbnailService = thumbnailService;
+			FileThumbnailHelper.thumbnailService = thumbnailService;
 		}
 
 		/// <summary>
@@ -24,9 +24,9 @@ public static void Initialize(IThumbnailService thumbnailService)
 			// Ensure size is at least 1 to prevent layout errors
 			size = Math.Max(1, size);
 
-			if (_thumbnailService is not null)
+			if (thumbnailService is not null)
 			{
-				return await _thumbnailService.GetThumbnailAsync(
+				return await thumbnailService.GetThumbnailAsync(
 					path,
 					(int)size,
 					isFolder,