[Users] Disable file attachment notice when invoking from command line

[Viatrix]

Hi Claws Mail users,
When I invoke Claws from the command line, using the --compose argument
to compose a message with a file attachment, how can I avoid getting the
dialog "Notice: The following file has been attached"?

-- 
Viatrix she|they https://viatrix.is-hella.gay
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