Fix rbt patch to not show byte strings during conflicts.
Review Request #12365 — Created June 13, 2022 and submitted
rbt patchattempts to patch a change and encounters conflicts, it
displays the names of the affected files. This was being shown as a byte
string, rather than a Unicode string. We were doing the right thing by
converting it to a Unicode string for the JSON output, but not for the
This change converts the filename before outputting it for text or JSON.
Triggered a patch with conflicts and saw the proper output.