FreeNAS/freenas 63a6f25gui/freeadmin/static/lib/js/freeadmin CloudSync.js, gui/tasks admin.py

Merge pull request #2929 from freenas/NAS-100016

NAS-100016 / 11.3 / Support Amazon Glacier storage classes
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+13-8gui/tasks/admin.py
+4-1src/middlewared/middlewared/rclone/remote/s3.py
+2-2gui/freeadmin/static/lib/js/freeadmin/CloudSync.js
+19-113 files

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