Move command arguments to common settings

Enrollments README and refactor

Move a message to make it extractable

* run python modernize

* run isort

* Fix quality

* run python modernize
* run isort
* fix pylint issues

Added track and cohort filter for CSV score export

Reverting ENT-1054

update email subtask logs

MathJax Output Format update in Studio

Move command parameter arguments, resend-days and days-range, to
common settings. This will help in creating a consistency when the
default values are changed in the future.

LEARNER-7313

Changed the MathJax output format
from SVG to HTML in Studio side.

Add capability to override MANUAL_ENROLLMENT_ROLE_CHOICES

Cleanup datatable code in sysadmin user tab

Add endpoint for checking learner program enrollments

Upgrade gunicorn.

INCR-251: Make compatible with Python 3.x without breaking Python 2.7 support --> common/test/acceptance/tests/discussion (#20646)

Prevent JWT Authentication from updating LMS User Data

fix issue for all dashboard redirect messages

Bump edx-enterprise to version 1.5.6

program course enrollment overview GET endpoint 

Mergeback PR from private to public.