Fix: Don't set an email to AD if null or whitespace (coscine/issues#780)
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@@ -123,7 +123,6 @@ namespace Coscine.Api.STS.Security
@@ -123,7 +123,6 @@ namespace Coscine.Api.STS.Security
@@ -132,8 +131,13 @@ namespace Coscine.Api.STS.Security
@@ -132,8 +131,13 @@ namespace Coscine.Api.STS.Security
newUser.Properties["userPrincipalName"].Value = user.Id.ToString() + "@" + Program.Configuration.GetStringAndWait("coscine/local/profilesync/forestname");