chore: Translate djangojs.po in ar

98% of minimum 50% translated source file: 'djangojs.po'
on 'ar'.

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

translations/edx-platform/conf/locale/ar/LC_MESSAGES/djangojs.po

@@ -8653,7 +8653,7 @@ msgstr "ملاحظة: لا تقم بإخفاء المهام المتدرجة ب
 
 #: cms/templates/js/publish-xblock.underscore:137
 msgid "Copy Unit"
-msgstr ""
+msgstr "وحدة النسخ"
 
 #: cms/templates/js/release-date-editor.underscore:1
 msgid "Release Date and Time"
@@ -8857,7 +8857,7 @@ msgstr "تمكين الملخصات"
 
 #: cms/templates/js/tag-list.underscore:28
 msgid "Manage tags"
-msgstr ""
+msgstr "إدارة العلامات"
 
 #: cms/templates/js/team-member.underscore:4
 msgid "Current Role:"