Try to make language updates more robust

Author: oneiros

app/models/actor.rb

@@ -69,7 +69,7 @@ def update_post_languages!
         LanguageTaggableConcern.expand(l)
       end
       languages.uniq!
-      languages.each { |l| actor_languages.create!(language: l) }
+      languages.each { |l| actor_languages.create_or_find_by!(language: l) }
     end
   end