Fix python/tests/test_1_online.py::test_gossip_optimization

Author: link2xt

src/receive_imf.rs

@@ -460,10 +460,10 @@ pub(crate) async fn receive_imf_inner(
     // and waste traffic.
     let chat_id = received_msg.chat_id;
     if !chat_id.is_special()
-        && mime_parser
-            .recipients
-            .iter()
-            .all(|recipient| mime_parser.gossiped_keys.contains_key(&recipient.addr))
+        && mime_parser.recipients.iter().all(|recipient| {
+            recipient.addr == mime_parser.from.addr
+                || mime_parser.gossiped_keys.contains_key(&recipient.addr)
+        })
     {
         info!(
             context,