It is possible that a recipient received and processed by the system may not
have a name set. In that case, the email mailbox should be used. As a
failsafe, avoid crashing if the User::save() should fail.

oops: Fixup registration for existing users

Reviewed-By: Peter Rotich <peter@osticket.com>

This occurs for attachments added via the staff or client web interfaces

Upgrade to Redactor 9.2.1

PJAX for the staff control panel

Conflicts:
	view.php

Registered email includes users without an "account"

Reviewed-By: Peter Rotich <peter@osticket.com>

Use .domain.tld to accept all subdomains of a parent