Constructs now have their respective factions (#90690)

## About The Pull Request

Holy constructs are now part of a new Holy faction, that all Chaplains
get once they choose a sect.
Wizard constructs are now part of the Wizard faction
Juggernaut's Gaunlet Echo spell now respects factions (so ignores cult
as cult, wizards as wizard, and their creator as holy)


https://github.com/user-attachments/assets/e56f958d-fffa-4534-8b39-a95f9d160865

## Why It's Good For The Game

Makes constructs less likely to friendly fire and makes holy constructs
able to use their spells to fight Cult.

## Changelog

🆑 Ezel/Improvedname, JohnFulpWillard
fix: Constructs now have their proper factions, so Wizard constructs
can't hit Wizard Apprentices.
fix: Juggernaut's Gauntlet echo spell now respects factions.
/🆑

code/modules/spells/spell_types/projectile/_basic_projectile.dm

@@ -28,3 +28,4 @@
 	to_fire.aim_projectile(target, caster)
 	SEND_SIGNAL(caster, COMSIG_MOB_SPELL_PROJECTILE, src, target, to_fire)
 	to_fire.fire()
+	return to_fire

code/modules/spells/spell_types/projectile/juggernaut.dm

@@ -12,3 +12,8 @@
 	spell_requirements = NONE
 
 	projectile_type = /obj/projectile/magic/aoe/juggernaut
+
+/datum/action/cooldown/spell/basic_projectile/juggernaut/fire_projectile(atom/target, mob/caster)
+	var/obj/projectile/magic/aoe/juggernaut/to_fire = ..()
+	to_fire.ignored_factions = caster.faction
+	return to_fire