Fix "something went wrong" during registration

[nekeal]

Most likely this is the reason discord

When I simply added time.sleep at the end of the on_submit method, I was able to reproduce issue locally.

async def on_submit(self, interaction: discord.Interaction) -> None:
    .....
    await self.log_registration_to_channel(interaction, name=name, order=order, roles=roles)
    await self.registration_logger.mark_as_registered(tickets[0])
    _logger.info(f"Registration successful: {order=}, {name=}")
    time.sleep(2.5)

The fix is to respond to an interaction asap and after successful registration, replace the message.

After submitting a form:

Then, in case of error it becomes:

And on success:

[NMertsch]

Thank you, that makes sense. I reverted f847b2c in eb6be67, and added 54b43c6 to apply your fix.