Use same UI for appearance page and wizard

Signed-off-by: TheKodeToad <TheKodeToad@proton.me>

launcher/ui/setupwizard/ThemeWizardPage.h

@@ -17,27 +17,30 @@
  */
 #pragma once
 
+#include <ui/widgets/AppearanceWidget.h>
+#include <QHBoxLayout>
 #include <QWidget>
 #include "BaseWizardPage.h"
 
-namespace Ui {
-class ThemeWizardPage;
-}
-
 class ThemeWizardPage : public BaseWizardPage {
     Q_OBJECT
 
    public:
-    explicit ThemeWizardPage(QWidget* parent = nullptr);
-    ~ThemeWizardPage();
+    ThemeWizardPage(QWidget* parent = nullptr) : BaseWizardPage(parent)
+    {
+        auto layout = new QVBoxLayout(this);
+        layout->addWidget(&widget);
+        layout->addSpacerItem(new QSpacerItem(0, 0, QSizePolicy::Minimum, QSizePolicy::Expanding));
+        layout->setContentsMargins(0, 0, 0, 0);
+        setLayout(layout);
+
+        setTitle(tr("Appearance"));
+        setSubTitle(tr("Select theme and icons to use"));
+    }
 
     bool validatePage() override { return true; };
-    void retranslate() override;
-
-   private slots:
-    void updateIcons();
-    void updateCat();
+    void retranslate() override { widget.retranslateUi(); }
 
    private:
-    Ui::ThemeWizardPage* ui;
+    AppearanceWidget widget{true};
 };