fix: 对 xml 中的文本内容转义，避免特殊字符影响

models.py

@@ -65,10 +65,6 @@ class FavoriteItem(Model):
     class Meta:
         unique_together = (("bvid", "favorite_list_id"),)
 
-    @property
-    def safe_name(self) -> str:
-        return self.name.replace("/", "_")
-
     @property
     def tmp_video_path(self) -> Path:
         return Path(settings.path_mapper[self.favorite_list_id]) / f"tmp_{self.bvid}_video"