SSL Handshake Prompt for IMAP (#381)

* Fix an incorrect namespace for copy auth url request.

* Implemented SSL handshake process for testing imap configuration.

* Implemented SSL handshake process for testing imap configuration.

* Replace certificate PathIcon with WinoFontIcon in XAML.

Wino.Core.Domain/Interfaces/IImapTestService.cs

@@ -5,6 +5,6 @@ namespace Wino.Core.Domain.Interfaces
 {
     public interface IImapTestService
     {
-        Task TestImapConnectionAsync(CustomServerInformation serverInformation);
+        Task TestImapConnectionAsync(CustomServerInformation serverInformation, bool allowSSLHandShake);
     }
 }