Application: Use shared pointers

Fixes #1239

src/radios/radioparadiseservice.h

@@ -32,7 +32,7 @@ class RadioParadiseService : public RadioService {
   Q_OBJECT
 
  public:
-  explicit RadioParadiseService(Application *app, NetworkAccessManager *network, QObject *parent = nullptr);
+  explicit RadioParadiseService(Application *app, SharedPtr<NetworkAccessManager> network, QObject *parent = nullptr);
 
   QUrl Homepage() override;
   QUrl Donate() override;