FIX: switch to iframe when embedding YouTube playlist

FIX: switch to iframe when embedding YouTube playlist

diff --git a/plugins/lazyYT/plugin.rb b/plugins/lazyYT/plugin.rb
index 3ba1206..4ba7bc4 100644
--- a/plugins/lazyYT/plugin.rb
+++ b/plugins/lazyYT/plugin.rb
@@ -17,7 +17,7 @@ class Onebox::Engine::YoutubeOnebox
   alias_method :yt_onebox_to_html, :to_html
 
   def to_html
-    if video_id
+    if video_id && !params['list']
       video_width = (params['width'] && params['width'].to_i <= 695) ? params['width'] : 480 # embed width
       video_height = (params['height'] && params['height'].to_i <= 500) ? params['height'] : 270 # embed height
 

GitHub sha: 076ed66e

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https://meta.discourse.org/t/no-thumbnail-for-youtube-playlist-urls/152431/6