ui: show aborting user on aborted work request status

Ayush Sharmarequested to merge
ayushHardeniya/debusine:ui-show-aborting-user into devel

when a work request is actively aborted by a user, this information is already stored in aborted_by_id but not surfaced in the web UI.

This change adds a tooltip to the “Aborted” status badge showing the aborting user when available, without altering layout or backend behavior.

Closes #1228 (closed).

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