Fix ghast strange behavior in the nether

mods/ENTITIES/mcl_mobs/api/api.lua

@@ -677,8 +677,6 @@ function mobs:register_egg(mob, desc, background, addegg, no_creative)
 					return itemstack
 				end
 
-				pos.y = pos.y - 0.5
-
 				local mob = minetest_add_entity(pos, mob)
 				minetest.log("action", "Mob spawned: "..name.." at "..minetest.pos_to_string(pos))
 				local ent = mob:get_luaentity()

mods/ENTITIES/mcl_mobs/api/mob_functions/ai.lua

@@ -584,6 +584,7 @@ local random_pitch_multiplier = {-1,1}
 -- states are executed here
 local fly_state_execution = function(self,dtime)
 	local pos = self.object:get_pos()
+	pos.y = pos.y + 0.1
 	local current_node = minetest_get_node(pos).name
 	local inside_fly_node = minetest_get_item_group(current_node, "solid") == 0