chore: Translate transifex_input.json in fr_CA

99% of minimum 50% translated source file: 'transifex_input.json'
on 'fr_CA'.

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/fr_CA.json

@@ -31,7 +31,7 @@
   "learn.coursewareSerch.searchResultsSingular": "1 correspondance trouvée pour \"{keyword}\":",
   "learn.coursewareSerch.searchResultsPlural": "{total} correspondances trouvées pour \"{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:none": "Tout le contenu",
   "learn.coursewareSerch.filter:text": "Texte",
   "learn.coursewareSerch.filter:video": "Vidéo",
   "learning.dates.badge.completed": "Terminé",