Smart code does not work in Note

Hello. I created Trigger on closing ticket -> send note. It works, but in note smart code #{ticket.close_at} does not work and looks as written.
Exactly the same Trigger but with send out e-mail works fine.
Screenshot for problematic trigger is here:

This is screenshot for ticket. You see Ticket Closed-> mail was executed, and next are Ticket Closed ->Public note result.

What am I doing wrong?

It’s not a feature, but a bug:

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