confirm_mail: work around funky MUAs

	my $id     = $self->current_user->{id};

	my $token  = $self->stash('token');

	# Some mail clients include the trailing ">" from the confirmation mail

	# when opening/copying the confirmation link. A token will never contain

	# this symbol, so remove it just in case.

	$token =~ s{>}{};

	# I did not yet find a mail client that also includes the trailing ",",

	# but you never now...

	$token =~ s{,}{};

	if (

		$self->users->change_mail_with_token(

			uid   => $id,