do not remove body from outbox messages, add missing scope.apply

src/js/controller/navigation.js

@@ -58,6 +58,7 @@ define(function(require) {
                 $scope.state.mailList.synchronize();
             } else {
                 outbox.count = count;
+                $scope.$apply();
             }
         };
 

src/js/dao/email-dao.js

@@ -240,9 +240,6 @@ define(function(require) {
             });
 
             newMessages.forEach(function(newMessage) {
-                // remove the body to not load unnecessary data to memory
-                delete newMessage.body;
-
                 folder.messages.push(newMessage);
             });