Restore generate_messages_from_queue()

tfw/components/frontend/message_sender.py

@@ -28,3 +28,11 @@ class MessageSender:
             'key': 'message.config',
             'originator': originator
         })
+
+    @staticmethod
+    def generate_messages_from_queue(queue_message):
+        for message in queue_message['value']:
+            yield {
+                'key': 'message.send',
+                **message
+            }