Add missing Q_OBJECT to ShortcutSettingsWidget

* Fix previous broken commit

src/gui/ShortcutSettingsPage.cpp

@@ -38,6 +38,8 @@
 
 class KeySequenceDialog final : public QDialog
 {
+    Q_OBJECT
+
 public:
     explicit KeySequenceDialog(QWidget* parent = nullptr)
         : QDialog(parent)
@@ -89,6 +91,8 @@ private:
 
 class ShortcutSettingsWidget final : public QWidget
 {
+    Q_OBJECT
+
 public:
     explicit ShortcutSettingsWidget(QWidget* parent = nullptr)
         : QWidget(parent)

src/gui/ShortcutSettingsPage.h

@@ -22,8 +22,6 @@
 
 class ShortcutSettingsPage : public ISettingsPage
 {
-    Q_OBJECT
-
 public:
     explicit ShortcutSettingsPage() = default;
     ~ShortcutSettingsPage() override = default;