chore: Translate transifex_input.json in ar

98% of minimum 30% reviewed source file: 'transifex_input.json'
on 'ar'.

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

Author: transifex-integration[bot]

translations/frontend-app-ora/src/i18n/messages/ar.json

@@ -236,7 +236,7 @@
   "frontend-app-ora.xblock-studio-view.schedule.startLabel": "ابدأ:",
   "frontend-app-ora.xblock-studio-view.schedule.dueLabel": "",
   "frontend-app-ora.xblock-studio-view.schedule.notSetLabel": "لم يُضبَط",
-  "frontend-app-ora.xblock-studio-view.assessmentStepsHeader": "خُطُوات الواجِب",
+  "frontend-app-ora.xblock-studio-view.assessmentStepsHeader": "خطوات التقييم",
   "frontend-app-ora.xblock-studio-view.stepLabel": "خُطوة",
   "frontend-app-ora.xblock-studio-view.settingsHeader": "الإعدادات",
   "frontend-app-ora.xblock-studio-view.textResponseLabel": "إجَابَة نَصِّية:",