[scrolller] support albums for subreddit results (#7339)

update GraphQL queries

test/results/scrolller.py

@@ -11,21 +11,20 @@ __tests__ = (
 {
     "#url"    : "https://scrolller.com/r/AmateurPhotography",
     "#class"  : scrolller.ScrolllerSubredditExtractor,
-    "#pattern": r"https://\w+\.scrolller\.com/(\w+/)?[\w-]+-\w+\.(jpg|png)",
+    "#pattern": r"https://static\.scrolller\.com/\w+/(\w+/)?[\w-]+-\w+\.(jpg|png|webp)",
     "#range"  : "1-100",
     "#count"  : 100,
 
-    "albumUrl"        : None,
     "displayName"     : None,
     "fullLengthSource": None,
     "gfycatSource"    : None,
-    "hasAudio"        : None,
+    "hasAudio"        : bool,
     "height"          : int,
     "id"              : int,
     "isFavorite"      : False,
     "isNsfw"          : False,
     "isOptimized"     : bool,
-    "isPaid"          : None,
+    "isPaid"          : bool,
     "mediaSources"    : list,
     "ownerAvatar"     : None,
     "redditPath"      : r"re:/r/AmateurPhotography/comments/...",
@@ -36,7 +35,7 @@ __tests__ = (
     "tags"            : None,
     "title"           : str,
     "url"             : str,
-    "username"        : None,
+    "username"        : str,
     "width"           : int,
 },