Show assign yourself when assignees is editable
What does this MR do?
Fixes bug where assign yourself would be displayed even when the user does not have the ability to assign himself/herself on the issue sidebar.
Are there points in the code the reviewer needs to double check?
Shouldn't be
Why was this MR needed?
Screenshots (if relevant)
| Before | After |
|---|---|
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Does this MR meet the acceptance criteria?
Yes