[kemonoparty] fix deleting 'name' in orginal objects (mikf#5103)

... when computing 'revision_hash'

regression caused by 3d68eda

dict.copy() only creates a shallow copy
I know that and still managed to get I wrong ...

gallery_dl/extractor/kemonoparty.py

@@ -240,7 +240,9 @@ def _revision_hash(self, revision):
         rev.pop("added", None)
         rev.pop("next", None)
         rev.pop("prev", None)
+        rev["file"] = rev["file"].copy()
         rev["file"].pop("name", None)
+        rev["attachments"] = [a.copy() for a in rev["attachments"]]
         for a in rev["attachments"]:
             a.pop("name", None)
         return util.sha1(self._json_dumps(rev))

test/results/kemonoparty.py

@@ -175,9 +175,26 @@
     "#class"   : kemonoparty.KemonopartyPostExtractor,
     "#urls"    : "https://kemono.su/data/88/52/88521f71822dfa2f42df3beba319ea4fceda2a2d6dc59da0276a75238f743f86.jpg",
 
-    "revision_id": 142470,
+    "file"          : {
+        "hash": "88521f71822dfa2f42df3beba319ea4fceda2a2d6dc59da0276a75238f743f86",
+        "name": "wip update.jpg",
+        "path": "/88/52/88521f71822dfa2f42df3beba319ea4fceda2a2d6dc59da0276a75238f743f86.jpg",
+        "type": "file",
+    },
+    "attachments": [
+        {
+            "hash": "88521f71822dfa2f42df3beba319ea4fceda2a2d6dc59da0276a75238f743f86",
+            "name": "wip update.jpg",
+            "path": "/88/52/88521f71822dfa2f42df3beba319ea4fceda2a2d6dc59da0276a75238f743f86.jpg",
+            "type": "attachment",
+        },
+    ],
+    "filename"      : "wip update",
+    "extension"     : "jpg",
+    "hash"          : "88521f71822dfa2f42df3beba319ea4fceda2a2d6dc59da0276a75238f743f86",
+    "revision_id"   : 142470,
     "revision_index": 2,
-    "revision_hash": "e0e93281495e151b11636c156e52bfe9234c2a40",
+    "revision_hash" : "e0e93281495e151b11636c156e52bfe9234c2a40",
 },
 
 {
@@ -191,7 +208,7 @@
 
     "revision_id": range(134996, 3052965),
     "revision_index": range(1, 9),
-    "revision_hash": r"re:^[0-9a-f]{40}$",
+    "revision_hash": "e0e93281495e151b11636c156e52bfe9234c2a40",
 },