Restores the law office's ability to @everyone

[ynot01]

Document the changes in your pull request

@everyone Please do not announce to the server when you are going to go masturbate.webm

Reimplements lost PDA functionality

Also some code improvements (in instead of Find()) and fixed duplicate vis messages

Requires lawyer access inserted to the modular computer

Changelog

:cl:
rscadd: Added a Send To Everyone functionality in NTOS PDAs for those with lawyer access bugfix: Fixed duplicate NTOS PDA messages /:cl: