Open notes when accepting the request input Other option

[copyberry]

Open notes when accepting the request input Other option

What changed

When the generated None of the above option is selected in a request user
input prompt, route Enter and configured accept actions to the notes editor
instead of submitting the response. Tab continues to open the same editor.

Testing

Add a regression test confirming that both Tab and Enter reveal the notes editor
without submitting the response.

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