[OPEN] Graded discussion due dates set to 59 minutes are not setting seconds value to 59

Engineers are currently investigating the issue.
Description
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When creating a graded discussion and setting a due date with 59 minutes, the seconds field is not defaulted to 59 seconds.
Expected Behavior
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When entering a due date with minutes set to 59, the seconds should be automatically set to 59 seconds as with what happens with assignments.
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Quote from our guide: When you change a due time on an assignment, the seconds value defaults to 0 unless the minutes valu...
Workaround
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Add discussion due dates as 00 minutes instead of 59 (Example: Set 12:00pm instead of 11:59am)
Steps to Reproduce
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Create or edit a graded discussion.
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Set a due date with the minutes value set to 59 minutes.
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Navigate to the discussions assignment object API and note that due dates seconds value is 00 instead of 59.
Additional Info
VICE-5124
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.