mostliked: secondary sort create_ts asc

feeds/mostliked.py

···
     select uri, create_ts, unixepoch('now', '-24 hours'), create_ts - unixepoch('now', '-24 hours'), likes
     from posts
     where create_ts >= unixepoch('now', '-24 hours')
-    order by likes desc, create_ts desc
+    order by likes desc, create_ts asc
     limit :limit offset :offset
     """
     DELETE_OLD_POSTS_QUERY = """