Use HTTPS if no scheme has been provided in wizard

Author: Fabian Müller

src/gui/newwizard/setupwizardcontroller.cpp

@@ -101,8 +101,10 @@ void SetupWizardController::nextStep(std::optional<PageIndex> currentPage, std::
 
                 // fix scheme if necessary
                 // using HTTPS as a default is a really good idea nowadays, users can still enter http:// explicitly if they wish to
-                if (QUrl(userProvidedUrl).isRelative() && !userProvidedUrl.isEmpty()) {
-                    userProvidedUrl.prepend(QStringLiteral("https://"));
+                if (!userProvidedUrl.startsWith(QStringLiteral("http://")) && !userProvidedUrl.startsWith(QStringLiteral("https://"))) {
+                    static const QString defaultScheme(QStringLiteral("https://"));
+                    qDebug() << "no URL scheme provided, prepending" << defaultScheme;
+                    userProvidedUrl.prepend(defaultScheme);
                 }
 
                 return QUrl::fromUserInput(userProvidedUrl);