This removes the immediate confirmation dialog and insteads prints the
message to the editor log (and it also appears as a toast). The immediate dialog
is a devil's plaything, and it cannot be used in this scenario (if it can be used
anywhere at all). The condition that triggers the SUT can happen during any
attempt by the rendering server to read a mesh. This means it will conflict
with a number of editor processes, like loading, importing, preview
generation, export, CLI mode, etc.
So while this is less on the nose as far as informing users goes, it's also
our best option to use the log and the toaster.
This defers the update to a fresh restart of the editor (to ensure we aren't mid way through loading scenes anymore.
It also ensures that the popup can't be used by multiple threads at once
Co-authored-by: Yuri Sizov <yuris@humnom.net>
