* docs: Add a statement comment. Update learning sequences README.

* refactor: Add Python3.6+-style type annotations to attrs classes where possible.

* Commits:
  style: Cleanup whitespace
  style: Alphabetize some imports
  docs: Add and cleanup comments
  style: Rename variables to mark as CONSTANT
  refactor: Remove unused test factory
  refactor: Move RequestFactoryNoCsrf helper to common/
  refactor: Move OrgInstructorFactory helper to common/
  refactor: Move OrgStaffFactory helper to common/
  refactor: Move BetaTesterFactory helper to common/
  refactor: Move InstructorFactory helper to common/
  refactor: Move UserFactory helper to common/
  refactor: Move StaffFactory helper to common/
  refactor: Move GlobalStaffFactory helper to common/

* Commits:
  refactor: Import a single function, not the whole module
  refactor: Move get_course_by_id helper from LMS to core

refactor: AA-677: Switch relative dates to CourseWaffleFlag

upgrade factory-boy

feat: skip bulk certificate invalidation during bulk regeneration in v2 certs

Setting COURSES_INVITE_ONLY to True overrides the INVITE_ONLY setting across all courses in a given deployment.

Co-authored-by: tasawernawaz <tasawer.nawaz@arbisoft.com>
Co-authored-by: asadiqbal08 <asad.iqbal@arbisoft.com>

[MICROBA-1077]
* Skip bulk certificate invalidation during bulk regeneration. I couldn't come up with a reason to continue to invalidate certificates right before we attempted regeneration.

refactor: install DoneXBlock from PyPI instead of github hash

Python Requirements Update

* Commits:
  test: Test (incorrect) behavior of discussions API access
  test: Add tests for discussions API access

As implemented, course staff members will not have access to this API
endpoint. This will be addressed with pending work [1].

- [1] https://openedx.atlassian.net/browse/TNL-8231

This checks for expected API access [1];
data integrity will be checked later [2].

This work exposes that the code currently does _not_ grant access to
_course_ staff, only _global_ staff. This is being addressed next [3].

Fix: TNL-8229 [1]

- [1] https://openedx.atlassian.net/browse/TNL-8229
- [2] https://openedx.atlassian.net/browse/TNL-8230
- [3] https://openedx.atlassian.net/browse/TNL-8231

This helper is used by the LMS, CMS, _and_ `openedx.core`,
so let's move it to `openedx.core` to reduce import complexity.

The following files no longer import from LMS:
- cms/djangoapps/contentstore/management/commands/edit_course_tabs.py
- lms/djangoapps/ccx/migrations/0006_set_display_name_as_override.py
- openedx/core/djangoapps/ccxcon/api.py
- openedx/core/djangoapps/verified_track_content/models.py
- openedx/features/course_experience/plugins.py

Note: The LTI XBlock has a dependency on this import path (!?);
a fix can be found here [1].

- [1] https://github.com/edx/xblock-lti-consumer/pull/154

* refactor: reformat the manual verifications command to allow for single user verifications

* reformat error message

* linting

* linting: add doc string

* whitespace

ENT-4361 | Added user's "id" and "email" as public fields in ACCOUNT_VISIBILITY_CONFIGURATION.

feat: stop removing `verify_uuid` value when revoking course certs