message: refactor: Styling w/ clang-format, comment update
  Github-Pull:
  Rebased-From:
  Tree-SHA512:
diff: @@ -439,17 +439,19 @@ int GuiMain(int argc, char* argv[])
  BitcoinApplication app(*node);
  - // Register meta types used for QMetaObject::invokeMethod
  + // Register meta types used for QMetaObject::invokeMethod and Qt::QueuedConnection
  qRegisterMetaType<bool*>();
  #ifdef ENABLE_WALLET
  qRegisterMetaType<WalletModel*>();
  #endif
  - // Need to pass name here as CAmount is a typedef (see http://qt-project.org/doc/qt-5/qmetatype.html#qRegisterMetaType)
  - // IMPORTANT if it is no longer a typedef use the normal variant above
  + // Register typedefs (see http://qt-project.org/doc/qt-5/qmetatype.html#qRegisterMetaType)
  + // IMPORTANT: if CAmount is no longer a typedef use the normal variant above (see https://doc.qt.io/qt-5/qmetatype.html#qRegisterMetaType-1)
  qRegisterMetaType<CAmount>("CAmount");
  qRegisterMetaType<size_t>("size_t");
  +
  qRegisterMetaType<std::function<void()>>("std::function<void()>");
  qRegisterMetaType<QMessageBox::Icon>("QMessageBox::Icon");
  +
  /// 2. Parse command-line options. We do this after qt in order to show an error if there are problems parsing these
  // Command-line options take precedence:
  node->setupServerArgs();
  