[deviantart] flatten some nested objects

use 'deviationid' or 'statusid' to determine the type of the object

gallery_dl/extractor/deviantart.py

@@ -786,14 +786,14 @@ class DeviantartStatusExtractor(DeviantartExtractor):
 
     def deviations(self):
         for status in self.api.user_statuses(self.user, self.offset):
-            if "items" in status:  # do not trust is_share
-                for idx, item in enumerate(status["items"]):
-                    # shared deviations/statuses
-                    key = "deviation" if "deviation" in item else "status"
-                    yield item[key]
-                    # remove private fields from nested objects
-                    item[key] = util.filter_dict(item[key])
-                    status["items"][idx] = item
+            items = []
+            for item in status.get("items", ()):  # do not trust is_share
+                # shared deviations/statuses
+                key = "deviation" if "deviation" in item else "status"
+                yield item[key]
+                # remove private fields from nested objects
+                items.append(util.filter_dict(item[key]))
+            status["items"] = items
             # assume is_deleted == true means necessary fields are missing
             if status["is_deleted"]:
                 self.log.warning(