chore: Translate transifex_input.json in pt_PT

97% of minimum 50% translated source file: 'transifex_input.json'
on 'pt_PT'.

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

translations/frontend-app-learning/src/i18n/messages/pt_PT.json

@@ -32,9 +32,11 @@
   "learn.coursewareSerch.searchResultsNone": "No results found.",
   "learn.coursewareSerch.searchResultsLabel": "Results for \"{keyword}\":",
   "learn.coursewareSerch.searchResultsError": "There was an error on the search process. Please try again in a few minutes. If the problem persists, please contact the support team.",
-  "learn.coursewareSerch.filter:none": "All content",
+  "learn.coursewareSerch.filter:all": "All content",
   "learn.coursewareSerch.filter:text": "Texto",
   "learn.coursewareSerch.filter:video": "Vídeo",
+  "learn.coursewareSerch.filter:sequence": "Section",
+  "learn.coursewareSerch.filter:other": "Other",
   "learning.dates.badge.completed": "Concluído",
   "learning.dates.badge.dueNext": "Próxima data",
   "learning.dates.badge.pastDue": "Data limite",