hw3: PhotoAlbumModel: fix out-of-bounds errors on deletePhoto

hw3/src/model/PhotoAlbumModel.java

@@ -59,18 +59,14 @@ public class PhotoAlbumModel {
     }
 
     /**
-     * Deletes a photo from the album by name.
-     * If the deleted photo is the current photo or the album is empty,
-     * the iterator is reset.
+     * Deletes a photo from the album by name (if it exists).
+     * Resets the iterator and notifies the listeners.
      *
      * @param name the name of the photo to delete
      */
     public void deletePhoto(String name) {
-        Photo currentPhoto = iterator.current();
         photos.removeIf(photo -> photo.name().equals(name));
-        if (photos.isEmpty() || (currentPhoto != null && currentPhoto.name().equals(name))) {
-            iterator = new PhotoIterator(photos);
-        }
+        iterator = new PhotoIterator(photos);
         notifyListeners();
     }