[OPEN] Dupe ref to same expert not handled gracefully

[#1]

Engineers are currently investigating the issue.

Description

Any 2 or more users entries having the same expert_user_id causes the dashboard Users admin to be unavailable to all experts. See the steps for details.

The responsible code can be found in https://github.com/Eesy/eesy-server/blob/adffcece9e7ebf5028bca3203503c80ea15bc47c/src/main/java/com/... .

Expected Behavior

To have the dashboard available

Workaround

No workaround exists at this time.

Steps to Reproduce

Warning: The following steps should NOT be attempted in production! * Modify your local/test users table to include at least two entries with the same valid value for expert_user_id. You might have to adjust other fields too, like session_expert. * Navigate to Users & Permissions > Users (Account, Users tab) with the path ending in `…/account/users`

Additional Info

IMP-5047

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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.