SONIC-704: Add CT discount availed check for outline tab

[NoyanAziz]

Merge checklist:
Check off if complete or not applicable:

• Documentation updated (not only docstrings)
• Fixup commits are squashed away
• Unit tests added/updated
• Manual testing instructions provided
• Noted any: Concerns, dependencies, migration issues, deadlines, tickets

Post-merge:

• Backported to latest and next named releases

[github-actions]

Coverage report

Click to see where and how coverage changed

File	Statements	Missing	Coverage	Coverage (new stmts)	Lines missing
commerce_coordinator/apps/commercetools
clients.py
pipeline.py
commerce_coordinator/apps/commercetools/tests
test_clients.py
test_pipeline.py
commerce_coordinator/apps/lms
filters.py					85
views.py
commerce_coordinator/apps/lms/tests
test_views.py
Project Total

This report was generated by python-coverage-comment-action