Excused status on Discussion Checkpoints not correctly applied in traditional gradebook

This issue was declined by the product team. Please see the Additional Info section for resolution information.
Description
When applying an Excused status to one checkpoint of a checkpointed discussion in the traditional gradebook, users can no longer enter a grade for the second checkpoint.
Expected Behavior
Statuses like Excused should only apply to the individual checkpoint they’ve been applied to. Users should still be able to enter a grade or different status on the other checkpoint. If a checkpointed discussion only has an excused status on one checkpoint and no status or grade for the other checkpoint, the status will show in the total grade and when viewing the gradebook table.
Workaround
No workaround exists at this time.
Steps to Reproduce
Prerequisites: Have a course with students enrolled and a Checkpointed discussion.
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In a course go to the traditional gradebook
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Find the checkpointed discussion and open the detail tray for a student
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Change the label to Excused for one of the Checkpoints
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Observe that the other checkpoints has been disabled and a grade can not be entered
Additional Info
EGG-1167
The Gradebook is functioning as expected. When a checkpoint within an assignment is updated to an "Excused" status, the entire assignment is marked as excused. As a result, grading is disabled for that assignment. While grades cannot be entered for excused work, graders still have the ability to update the submission status of individual checkpoints as needed.
Known issues indicate notable behaviors that have been escalated to the Canvas engineering team. Known issues are not a guarantee for an immediate resolution. This document is for informational purposes only and does not replace the Support process. If you are encountering the behavior outlined in this document, please ensure you have submitted a Support case (per your institution's escalation process) so Canvas Support can adequately gauge the overall customer impact and prioritize appropriately.