Fix param ordering for fetch_playlist_videos

src/invidious.cr

@@ -514,7 +514,7 @@ get "/playlist" do |env|
   end
 
   begin
-    videos = fetch_playlist_videos(plid, page, playlist.video_count, locale)
+    videos = fetch_playlist_videos(plid, page, playlist.video_count, locale: locale)
   rescue ex
     videos = [] of PlaylistVideo
   end

src/invidious/playlists.cr

@@ -65,6 +65,7 @@ def fetch_playlist_videos(plid, page, video_count, continuation = nil, locale =
       nodeset = document.xpath_nodes(%q(.//tr[contains(@class, "pl-video")]))
 
       videos = extract_playlist(plid, nodeset, 0)
+
       if continuation
         until videos[0].id == continuation
           videos.shift