chore: Translate transifex_input.json in fr_CA

98% 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/studio-frontend/src/i18n/messages/fr_CA.json

@@ -94,7 +94,7 @@
   "assetsUploadConfirmMessage": "The following files will be overwritten: {listOfFiles}",
   "assetsUploadConfirmTitle": "Overwrite Files",
   "assetsUploadConfirmOverwrite": "Ecraser",
-  "assetsUploadConfirmCancel": "Cancel",
+  "assetsUploadConfirmCancel": "Annuler",
   "welcomeMessageShortDescription": "Ajouter un message de bienvenue",
   "welcomeMessageLongDescription": "Accueillez personnellement les apprenants dans votre cours et préparez les apprenants à une expérience de cours positive.",
   "gradingPolicyShortDescription": "Créer votre politique de notation de cours",