feat(balance): Convert drugdeal itemgroup to collection

[RoyalFox2140]

Checklist

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Purpose of change

When map extras were jsonized, the drugdeal map extra had all of its firearm spawns in a distribution that contained large amounts of clothing and other items like cigs, lighters, the drugs, etc. This meant it was nearly impossible for the game to roll for weapons.

Describe the solution

Update into a collection and heavily change what can spawn, being a collection means each item has a chance to roll instead.

Describe alternatives you've considered

Better distribution?

Testing

Additional context

@chaosvolt You must update Cataclysm++ as it sets drugdeals to a collection and that stops my game from loading. Basegame loads just fine, in fact most mods load fine.

[chaosvolt]

Interesting, a lot of single-item spawns in the collection could still potentially be rolled up into itemgroup calls I suspect.

We can roll the rest up in a follow-up PR if need be though, since the file changes are so jumbled now that it's not going to be convenient to add change suggestions to it. XD

[RoyalFox2140]

Interesting, a lot of single-item spawns in the collection could still potentially be rolled up into itemgroup calls I suspect.

Wasn't sure generally how we wanted to handle it, I think it could use more work grouping some spawns but I didn't know where to go with it generally.

[chaosvolt]

Fair enough. I could mess with it if you'd like. Currently preparing draft updates for mods (and also waking up bleh).

[chaosvolt]

Went ahead and condensed the itemgroups a lot more, lemme know if it looks okay.

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[RoyalFox2140]

Chaos's tweaks look good to me. Think this will be good overall