Set OracleWizard style to "Modern" instead of "Aero" (#6778)

* Use fusions own palette.

Took 6 minutes

* Start from default palette always.

Took 4 minutes

* Add modern style.

Took 24 seconds

* Scope this fix to Windows.

Took 4 minutes

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Co-authored-by: Lukas Brübach <Bruebach.Lukas@bdosecurity.de>

oracle/src/oraclewizard.cpp

@@ -21,6 +21,10 @@ OracleWizard::OracleWizard(QWidget *parent) : QWizard(parent)
     // define a dummy context that will be used where needed
     QString dummy = QT_TRANSLATE_NOOP("i18n", "English");
 
+#ifdef Q_OS_WIN
+    setWizardStyle(QWizard::ModernStyle);
+#endif
+
     QString oracleSettingsFile = SettingsCache::instance().getSettingsPath() + "oracle.ini";
     settings = new QSettings(oracleSettingsFile, QSettings::IniFormat, this);