Added PreValidate endpoint on Account controller (#896)

* Added PreValidate endpoint on Account controller

* Fixed IHttpClientFactory implementation

* Core localization and org sproc fix

* Pass culture, fixed sso middleware bug

src/Sql/dbo/Stored Procedures/Organization_ReadByIdentifier.sql

@@ -1,5 +1,5 @@
 CREATE PROCEDURE [dbo].[Organization_ReadByIdentifier]
-    @Identifier UNIQUEIDENTIFIER
+    @Identifier NVARCHAR(50)
 AS
 BEGIN
     SET NOCOUNT ON
@@ -10,4 +10,4 @@ BEGIN
         [dbo].[OrganizationView]
     WHERE
         [Identifier] = @Identifier
-END
+END