Improve handling of mail delegates

SoObjects/Mailer/SOGoMailAccount.m

@@ -1022,7 +1022,7 @@ static NSString *inboxFolderName = @"INBOX";
       max = [newDelegates count];
       for (count = 0; count < max; count++)
         {
-          currentDelegate = [newDelegates objectAtIndex: 0];
+          currentDelegate = [newDelegates objectAtIndex: count];
           delegateUser = [SOGoUser userWithLogin: currentDelegate];
           if (delegateUser)
             {
@@ -1049,7 +1049,7 @@ static NSString *inboxFolderName = @"INBOX";
       max = [oldDelegates count];
       for (count = 0; count < max; count++)
         {
-          currentDelegate = [oldDelegates objectAtIndex: 0];
+          currentDelegate = [oldDelegates objectAtIndex: count];
           delegateUser = [SOGoUser userWithLogin: currentDelegate];
           if (delegateUser)
             {

SoObjects/SOGo/SOGoUserManager.m

@@ -358,18 +358,22 @@ static Class NSNullK;
   NSDictionary *contactInfos;
   NSString *cn, *email, *fullEmail;
 
+  fullEmail = nil;
   contactInfos = [self contactInfosForUserWithUIDorEmail: uid];
-  email = [contactInfos objectForKey: @"c_email"];
-  cn = [contactInfos objectForKey: @"cn"];
-  if ([cn length] > 0)
+  if (contactInfos)
     {
-      if ([email length] > 0)
-        fullEmail = [NSString stringWithFormat: @"%@ <%@>", cn, email];
+      email = [contactInfos objectForKey: @"c_email"];
+      cn = [contactInfos objectForKey: @"cn"];
+      if ([cn length] > 0)
+        {
+          if ([email length] > 0)
+            fullEmail = [NSString stringWithFormat: @"%@ <%@>", cn, email];
+          else
+            fullEmail = cn;
+        }
       else
-        fullEmail = cn;
+        fullEmail = email;
     }
-  else
-    fullEmail = email;
 
   return fullEmail;
 }

UI/MailerUI/UIxMailUserDelegationEditor.m

@@ -84,14 +84,15 @@
 - (NSString *) currentDelegateDisplayName
 {
   SOGoUserManager *um;
-  NSString *s;
+  NSString *s, *fullEmail;
 
   um = [SOGoUserManager sharedUserManager];
   s = ([currentDelegate hasPrefix: @"@"]
        ? [currentDelegate substringFromIndex: 1]
        : currentDelegate);
+  fullEmail = [um getFullEmailForUID: s];
 
-  return [um getFullEmailForUID: s];
+  return fullEmail? fullEmail : currentDelegate;
 }
 
 - (id) defaultAction