Refactored fire_act (#19158)

Refactored fire_act() to be in line with TG version, removed useless
parameter, added signal, made non sleepable and forced to call parent.
Added atom_act.dm file for the various *_act procs.

code/game/objects/structures/gore/tendrils.dm

@@ -132,7 +132,9 @@
 			health -= maxHealth / 5
 	healthcheck()
 
-/obj/structure/gore/tendrils/fire_act(datum/gas_mixture/air, exposed_temperature, exposed_volume)
+/obj/structure/gore/tendrils/fire_act(exposed_temperature, exposed_volume)
+	. = ..()
+
 	if(exposed_temperature > 300 + T0C)
 		health -= 5
 		healthcheck()

code/game/objects/structures/grille.dm

@@ -274,7 +274,7 @@
 			return 0
 	return 0
 
-/obj/structure/grille/fire_act(datum/gas_mixture/air, exposed_temperature, exposed_volume)
+/obj/structure/grille/fire_act(exposed_temperature, exposed_volume)
 	if(!destroyed)
 		if(exposed_temperature > T0C + 1500)
 			health -= 1

code/game/objects/structures/simple_doors.dm

@@ -15,7 +15,9 @@
 	var/health = 100
 	var/maxhealth = 100
 
-/obj/structure/simple_door/fire_act(datum/gas_mixture/air, exposed_temperature, exposed_volume)
+/obj/structure/simple_door/fire_act(exposed_temperature, exposed_volume)
+	. = ..()
+
 	TemperatureAct(exposed_temperature)
 
 /obj/structure/simple_door/proc/TemperatureAct(temperature)

code/game/objects/structures/stool_bed_chair_nest/stools.dm

@@ -323,7 +323,9 @@
 	anchored = FALSE
 	density = FALSE
 
-/obj/structure/flora/log_bench/fire_act()
+/obj/structure/flora/log_bench/fire_act(exposed_temperature, exposed_volume)
+	. = ..()
+
 	for(var/obj/structure/bonfire/B in get_turf(src))
 		if(B.on_fire)
 			B.fuel = min(B.max_fuel, B.fuel + 300)

code/game/objects/structures/window.dm

@@ -409,7 +409,7 @@
 		return 1
 	return 0
 
-/obj/structure/window/fire_act(datum/gas_mixture/air, exposed_temperature, exposed_volume)
+/obj/structure/window/fire_act(exposed_temperature, exposed_volume)
 	if(exposed_temperature > maximal_heat)
 		hit(damage_per_fire_tick, 0)
 	..()