refac: repository updates, image attachment and deletes report the domain not-found error for an unknown id, the same for articles, users and images, and the test fakes stop returning GORM errors

internal/infrastructure/persistence/repositories/imageRepository.go

@@ -65,7 +65,7 @@ func (i ImageRepository) Delete(id uint32) error {
 	var entityImage entity.Image
 	err := i.db.Model(&entity.Image{}).First(&entityImage, id).Error
 	if err != nil {
-		return err
+		return mapNotFoundErr(err, domain.ErrImageNotFound)
 	}
 
 	fileName := filepath.Base(entityImage.Path)