Implement gateway for adding new torrents

PR #19355.

src/webui/webapplication.cpp

@@ -143,8 +143,7 @@ namespace
 }
 
 WebApplication::WebApplication(IApplication *app, QObject *parent)
-    : QObject(parent)
-    , ApplicationComponent(app)
+    : ApplicationComponent(app, parent)
     , m_cacheID {QString::number(Utils::Random::rand(), 36)}
     , m_authController {new AuthController(this, app, this)}
 {