Merge branch 'issue/43-fix-draft-indexing' into 'develop'

Issue #43: Check published status before indexing

See merge request rfhf19/cleanning-portalmec!41

app/models/learning_object.rb

@@ -137,7 +137,7 @@ class LearningObject < ApplicationRecord
   end
 
   def should_index?
-    deleted_at.nil?
+    (deleted_at.nil? and state == "published")
   end
 
   def delete_index