Fix bug not displaying already decrypted mail

src/js/dao/email-dao.js

@@ -787,6 +787,7 @@ define(function(require) {
 
         // the message is decrypting has no body, is not encrypted or has already been decrypted
         if (!message.bodyParts || message.decryptingBody || !message.body || !message.encrypted || message.decrypted) {
+            callback(null, message);
             return;
         }