chore: Translate django.po in es_419

65% of minimum 50% translated source file: 'django.po'
on 'es_419'.

Sync of partially translated files: 
untranslated content is included with an empty translation 
or source language content depending on file format

translations/FeedbackXBlock/feedback/conf/locale/es_419/LC_MESSAGES/django.po

@@ -172,11 +172,11 @@ msgstr "Texto del comentario libre del usuario"
 
 #: templates/html/studio_view.html:55
 msgid "This is shown as grayed out text before the student has answered."
-msgstr ""
+msgstr "Esto es mostrado como texto gris antes que el usuario haya contestado"
 
 #: templates/html/studio_view.html:60
 msgid "Likert icon set"
-msgstr ""
+msgstr "Grupo de íconos"
 
 #: templates/html/studio_view.html:62
 msgid "Faces (happy to sad)"