conversation: move sendProfile

The problem with the previous method is that it was only sent one
side at the clone. At least, here we know that  both sides are connected
and in the same conversation.

Change-Id: I37bd5f921ad798a259c3262060e1158e58394697

src/jamidht/conversation.cpp

@@ -1372,7 +1372,6 @@ Conversation::sync(const std::string& member,
                     start = 0;
                 sthis->downloadFile(wr.interactionId, wr.fileId, wr.path, member, deviceId, start);
             }
-            account->sendProfile(sthis->id(), member, deviceId);
         }
     });
 }
@@ -1954,7 +1953,22 @@ Conversation::onNeedSocket(NeedSocketCb needSocket)
 void
 Conversation::addSwarmChannel(std::shared_ptr<dhtnet::ChannelSocket> channel)
 {
+    auto deviceId = channel->deviceId();
+    // Transmit avatar if necessary
+    // We do this here, because at this point we know both sides are connected and in
+    // the same conversation
+    // addSwarmChannel is a bit more complex, but it should be the best moment to do this.
+    auto cert = channel->peerCertificate();
+    if (!cert || !cert->issuer)
+        return;
+    auto member = cert->issuer->getId().toString();
     pimpl_->swarmManager_->addChannel(std::move(channel));
+    dht::ThreadPool::io().run([member, deviceId, a = pimpl_->account_, w=weak_from_this()]{
+        auto sthis = w.lock();
+        if (auto account = a.lock()) {
+            account->sendProfile(sthis->id(), member, deviceId.toString());
+        }
+    });
 }
 
 uint32_t