Re-add PhysicalFileSystemProvider after AzureBlobFileSystemImageProvider

Author: ronaldbarendse

src/Umbraco.StorageProviders.AzureBlob/DependencyInjection/AzureBlobMediaFileSystemExtensions.cs

@@ -43,8 +43,12 @@ public static IUmbracoBuilder AddAzureBlobMediaFileSystem(this IUmbracoBuilder b
 
             builder.Services.TryAddSingleton<AzureBlobFileSystemMiddleware>();
 
-            // ImageSharp image provider/cache
-            builder.Services.AddUnique<IImageProvider, AzureBlobFileSystemImageProvider>();
+            // ImageSharp image providers (remove all to ensure the correct order, as PhysicalFileSystemProvider matches all requests)
+            builder.Services.RemoveAll<IImageProvider>();
+            builder.Services.AddSingleton<IImageProvider, AzureBlobFileSystemImageProvider>();
+            builder.Services.AddSingleton<IImageProvider, PhysicalFileSystemProvider>();
+
+            // ImageSharp image cache
             builder.Services.AddUnique<IImageCache, AzureBlobFileSystemImageCache>();
 
             builder.SetMediaFileSystem(provider => provider.GetRequiredService<IAzureBlobFileSystemProvider>()