Fixed the ActiveSync issue marking mails as read when downloading them

ActiveSync/SOGoMailObject+ActiveSync.m

@@ -762,6 +762,16 @@ struct GlobalObjectId {
 //
 //
 //
+// Exemple for a message being marked as read:
+//
+//  <Change>
+//   <ServerId>607</ServerId>
+//   <ApplicationData>
+//    <Read xmlns="Email:">1</Read>
+//   </ApplicationData>
+//  </Change>
+// </Commands>
+//
 - (void) takeActiveSyncValues: (NSDictionary *) theValues
                     inContext: (WOContext *) _context
 {
@@ -776,6 +786,14 @@ struct GlobalObjectId {
       else
         [self removeFlags: @"\\Flagged"]; 
     }
+  
+  if ((o = [theValues objectForKey: @"Read"]))
+    {
+      if ([o intValue])
+        [self addFlags: @"seen"];
+      else
+        [self removeFlags: @"seen"];;
+    }
 }
 
 @end