[reddit:user] disable 'only' for '/saved' results (#9071)

and prevent "KeyError: 'name'" when accessing the full username

Author: mikf

docs/configuration.rst

@@ -5506,7 +5506,10 @@ extractor.reddit.user.only
 Type
     ``bool``
 Default
-    ``trur``
+    ``user-saved``
+        ``false``
+    otherwise
+        ``true``
 Description
     Only process and return posts from the user specified in the input URL.
 

docs/gallery-dl.conf

@@ -714,6 +714,9 @@
 
             "user": {
                 "only": true
+            },
+            "user-saved": {
+                "only": false
             }
         },
         "redgifs":

gallery_dl/extractor/reddit.py

@@ -319,8 +319,8 @@ def submissions(self):
         self.kwdict["user"] = user = self.api.user_about(username)
 
         submissions = self.api.submissions_user(
-            user["name"] + (sub or ""), text.parse_query(qs))
-        if self.config("only", True):
+            (user.get("name") or username) + (sub or ""), text.parse_query(qs))
+        if self.config("only", sub != "/saved"):
             submissions = self._only(submissions, user)
         return submissions