Provide quick prints options that bypasses the print dialog modal

Don't show user search box, when adding a new user, if the system don't have remote directories installed

This is necessary in case the exporter wants to redirect output to a file.
Use built-in PHP functions to encode and output CSV content

Sanitize textarea content on export

This is necessary to allow for other form types to use dynamic data
view/export

This will simplify where PJAX needs to be disabled by simply including the
navigation as part of the PJAX response.

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.

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