Fixed: Sonarr UI Authentication cookie should be placed on path (UrlBase) instead of domain alone.

fixes #1874

src/NzbDrone.Api/Authentication/EnableAuthInNancy.cs

@@ -68,6 +68,7 @@ namespace NzbDrone.Api.Authentication
             {
                 RedirectUrl = _configFileProvider.UrlBase + "/login",
                 UserMapper = _authenticationService,
+                Path = _configFileProvider.UrlBase,
                 CryptographyConfiguration = cryptographyConfiguration
             });
         }