Aimed Fireball Spells! (#19030)

* Fireball Spell Changes

- Changes the fireball spell to be click-to-fire.
- Converted Devil and Wand fireballs as well.
- Moved some code to the /proc_holder level to work across the /alien
and /spell branches.

* Tweaks and Fixes

- Infernal Fireball is now a projectile and has the right explosion
values.
- Removed non-projectile spell versions of fireball, as they are unused
- Fixed fireball not seeking adjacent targets.
- Fixed incorrect bolding slashes.

* Fix

Fixes the fireball sometimes missing.

* Fixes and tweak

- Uses TRUE/FALSE defines instead of 0 and 1 for boolean variables.
- Ranged abilities now remove themselves tries to use an ability in a
disabled state. (Such as being knocked out)
- Define for the click cooldown.

code/modules/paperwork/contract.dm

@@ -251,7 +251,7 @@
 /obj/item/weapon/paper/contract/infernal/magic/FulfillContract(mob/living/carbon/human/user = target.current)
 	if(!istype(user) || !user.mind)
 		return -1
-	user.mind.AddSpell(new /obj/effect/proc_holder/spell/dumbfire/fireball(null))
+	user.mind.AddSpell(new /obj/effect/proc_holder/spell/fireball(null))
 	user.mind.AddSpell(new /obj/effect/proc_holder/spell/aoe_turf/knock(null))
 	return ..()