chat: автоподключение к узлам группы (вкл/выкл) + ручной connect к узлу (desktop+android); фикс reinit при QR-join

tools/chatgui/src/accountlist.cpp

@@ -458,11 +458,23 @@ void AccountList::onMemberContextMenu(const QPoint& pos) {
     QString name = m_model->data(index, Qt::DisplayRole).toString();
 
     QMenu menu(m_listView);
+    QAction* connectAction = menu.addAction("Connect");
+    if (nodeId == m_db->myNodeId()) connectAction->setEnabled(false);
     QAction* renameAction = menu.addAction("Rename");
     if (nodeId == m_db->myNodeId()) renameAction->setEnabled(false);
     QAction* editAction = menu.addAction("Edit");
     QAction* chosen = menu.exec(m_listView->viewport()->mapToGlobal(pos));
 
+    if (chosen == connectAction) {
+        struct chat_connect_node_req* r = (struct chat_connect_node_req*)u_malloc(sizeof(*r));
+        if (!r) return;
+        memset(r, 0, sizeof(*r));
+        strncpy(r->ch_id, m_channelId.toUtf8().constData(), sizeof(r->ch_id) - 1);
+        r->node_id = nodeId;
+        gui_bridge_post_uasync_fn(chat_core_connect_node_trampoline, r);
+        return;
+    }
+
     if (chosen == renameAction) {
         RenameDialog dlg(m_db, m_channelId, nodeId, name, this);
         if (dlg.exec() == QDialog::Accepted) {