[PD] print a warnung when a slider's log value gets overwritten closing the properties

[Peter P.]

* Alexandre Torres Porres <porres at gmail.com> [2023-05-16 06:43]:
> I think it could let us do it and print an error if we attempt to use the
> slider with this wrong setting
I think this is too late. The warning should be printed upon closing the
propoerties dialog.