FIX: onebox youtube channels and handle deleted video links

plugins/lazyYT/plugin.rb

@@ -14,6 +14,7 @@ register_asset "stylesheets/lazyYT_mobile.scss", :mobile
 # freedom patch YouTube Onebox
 class Onebox::Engine::YoutubeOnebox
   include Onebox::Engine
+  alias_method :yt_onebox_to_html, :to_html
 
   def to_html
     if video_id
@@ -23,7 +24,7 @@ class Onebox::Engine::YoutubeOnebox
       # Put in the LazyYT div instead of the iframe
       "<div class=\"lazyYT\" data-youtube-id=\"#{video_id}\" data-youtube-title=\"#{video_title}\" data-width=\"#{video_width}\" data-height=\"#{video_height}\" data-parameters=\"#{embed_params}\"></div>"
     else
-      super
+      yt_onebox_to_html
     end
   end