Adds the Nuclear training bomb

[datlo]

What Does This PR Do

This PR adds the training nuclear bomb, paper guides, aswell two training authentification disks, a toolbox, a multitool, and a welding helmet to the brig on all maps. This is either added to the firing range or to a new Defusal Workshop room, depending on map.

The training nuke functions the same as the regular nuke, letting you practice with arming, disarming, or unanchoring the nuke. 'Detonating' the training nuke resets it. You can also manually reset it by alt-clicking it.

Wires have been reworked, defusing nuke now requires you cut the control panel wire, then pulse the disarm wire. NT nukes now have labelled wires, syndicate nukes are still hidden. Keep in mind you have to use the NAD to access the nuke's wires.

Cleaned up some code, added span to messages that missed it.

Why It's Good For The Game

Letting people train with a mechanic crucial to the nuclear gamemode without having to boot up their own server is good

Defusing the nuke using wires used to be basically just 'pick wire at random pray for best'. It is now a little more involved, the game giving you hints on how to proceed aswell.

Images of changes

Box :

Delta :

Meta :

Ceres :

Guides :

Testing

Tested every mechanic repeatedly on both the new training and the standard nukes. Launched all the maps to check for mapping errors.

Changelog

:cl: add: Added the nuclear training bomb to the security firing range on all maps. Training nuke and NAD sprites by ATP Engineer. /:cl: