fix: serpent spawn attack outfit clay guardian (#2136)

Simple changes to fix the Serpent Spawn Attack, just change this and the
attack is working again with the correct sprite transformation from the
attack monster to the player.

Co-authored-by: Elson Costa <[email protected]>

data-otservbr-global/monster/reptiles/serpent_spawn.lua

@@ -107,7 +107,7 @@ monster.loot = {
 monster.attacks = {
 	{ name = "melee", interval = 2000, chance = 100, minDamage = 0, maxDamage = -252 },
 	{ name = "combat", interval = 2000, chance = 20, type = COMBAT_EARTHDAMAGE, minDamage = -80, maxDamage = -300, range = 7, shootEffect = CONST_ANI_POISON, target = false },
-	{ name = "outfit", interval = 2000, chance = 1, range = 7, effect = CONST_ME_MAGIC_BLUE, target = false, duration = 3000, outfitItem = 3976 },
+	{ name = "outfit", interval = 2000, chance = 1, range = 7, effect = CONST_ME_MAGIC_BLUE, target = false, duration = 3000, outfitMonster = "clay guardian" },
 	{ name = "speed", interval = 2000, chance = 25, speedChange = -850, range = 7, radius = 4, shootEffect = CONST_ANI_POISON, effect = CONST_ME_GREEN_RINGS, target = true, duration = 12000 },
 	{ name = "combat", interval = 2000, chance = 10, type = COMBAT_LIFEDRAIN, minDamage = -200, maxDamage = -500, length = 8, spread = 3, effect = CONST_ME_SOUND_RED, target = false },
 	{ name = "combat", interval = 2000, chance = 10, type = COMBAT_EARTHDAMAGE, minDamage = -200, maxDamage = -500, length = 8, spread = 3, effect = CONST_ME_POISONAREA, target = false },