Blob container ProviderType does not fall back to default container configuration

framework/src/Volo.Abp.BlobStoring/Volo/Abp/BlobStoring/BlobContainerConfiguration.cs

@@ -7,10 +7,16 @@ namespace Volo.Abp.BlobStoring;
 
 public class BlobContainerConfiguration
 {
+    private Type? _providerType;
+
     /// <summary>
     /// The provider to be used to store BLOBs of this container.
     /// </summary>
-    public Type? ProviderType { get; set; }
+    public Type? ProviderType
+    {
+        get => _providerType ?? _fallbackConfiguration?.ProviderType;
+        set => _providerType = value;
+    }
 
     /// <summary>
     /// Indicates whether this container is multi-tenant or not.

framework/test/Volo.Abp.BlobStoring.Tests/Volo/Abp/BlobStoring/AbpBlobStoringOptions_Tests.cs

@@ -29,10 +29,11 @@ public void Should_Property_Set_And_Get_Options_For_Different_Containers()
     }
 
     [Fact]
-    public void Should_Fallback_To_Default_Configuration_If_Not_Specialized()
+    public void Should_Fallback_To_Default_ProviderType_When_Not_Explicitly_Configured()
     {
         var config = _configurationProvider.Get<TestContainer3>();
         config.ProviderType.ShouldBe(typeof(FakeBlobProvider1));
+        config.IsMultiTenant.ShouldBeFalse();
         config.GetConfigurationOrNull("TestConfigDefault").ShouldBe("TestValueDefault");
     }
 }

framework/test/Volo.Abp.BlobStoring.Tests/Volo/Abp/BlobStoring/AbpBlobStoringTestModule.cs

@@ -36,6 +36,10 @@ public override void ConfigureServices(ServiceConfigurationContext context)
                 {
                     container.SetConfiguration("TestConfig2", "TestValue2");
                     container.ProviderType = typeof(FakeBlobProvider2);
+                })
+                .Configure<TestContainer3>(container =>
+                {
+                    container.IsMultiTenant = false;
                 });
         });
     }