chore: add Q_OBJECT macro to Validators with translations

src/lib/gui/validators/AliasValidator.h

@@ -13,6 +13,7 @@ namespace validators {
 
 class AliasValidator : public LineEditValidator
 {
+  Q_OBJECT
 public:
   explicit AliasValidator(QLineEdit *parent = nullptr, ValidationError *error = nullptr);
 };

src/lib/gui/validators/ScreenNameValidator.h

@@ -15,6 +15,7 @@ namespace validators {
 
 class ScreenNameValidator : public LineEditValidator
 {
+  Q_OBJECT
 public:
   explicit ScreenNameValidator(
       QLineEdit *lineEdit = nullptr, ValidationError *error = nullptr, const ScreenList *pScreens = nullptr