Issue Summary

Selecting user in a user picker field through keyboard interactions throws following error:

User '<display-name>' was not found in the system.

Note

This occurs in old issue view

Steps to Reproduce

1. Add a user picker field (single user) to issue screen
2. Access the issue in old issue view
3. Press dot key in the keyboard (.)
4. Type and select the user picker field to be updated
5. Type a user and select it using "Enter" key in the keyboard
6. Click on Submit

Watch this video for more visibility: Screen Recording 2019-10-04.mov

Expected Results

User picker field is updated

Actual Results

Following error appears:

User '<display-name>' was not found in the system.

Workaround

Select the user via mouse click in step 5 (Steps to Reproduce)