Merge pull request open-craft#333 from open-craft/mtyaka/FAL-2198-dja…

…ngo3.2

[FAL-2198] Django 3.2 support

fix: handle deleted questions (open-craft#328)

Step builder was raising `ValueError` if a question was deleted by the course author.

MCKIN-12600 key error on filtering username (open-craft#326)

Merge PR open-craft#324: fix: deprecated edx-platform import references

Merge PR open-craft#323: Import from common.djangoapps.student.models…

… more reliably

Assessment score summary translation correction (open-craft#321)

MCKIN-28611 - Nested blocks imports fix (open-craft#320)

MCKIN-26505 Arabic -> Step Builder -> Score Summary -> The translatio…

…ns are not correct if the none of the questions are right/partially right/incorrect (open-craft#318)

MCKIN-26505 Arabic -> Step Builder -> Score Summary -> The translatio…

…ns are not correct if the none of the questions are right/partially right/incorrect (open-craft#317)

MCKIN-26123 Platform Issues - Translations. (open-craft#313)