[MIRROR] Fixes strange geyser and geyser regen [MDB IGNORE] (#18808)

Fixes strange geyser and geyser regen (#72221)

Called the random reagent code after it was initialized
Registered the reagent del/remove signal on the geyser, not the reagent
datum of the geyser

Closes #72037 

🆑
fix: Strange geysers have random reagents again
fix: Geysers regen reagents again
/🆑

Co-authored-by: Time-Green <timkoster1@hotmail.com>

code/game/objects/structures/lavaland/geyser.dm

@@ -34,7 +34,7 @@
 	create_reagents(max_volume, DRAINABLE)
 	reagents.add_reagent(reagent_id, max_volume)
 
-	RegisterSignals(src, list(COMSIG_REAGENTS_REM_REAGENT, COMSIG_REAGENTS_DEL_REAGENT), PROC_REF(start_chemming))
+	RegisterSignals(reagents, list(COMSIG_REAGENTS_REM_REAGENT, COMSIG_REAGENTS_DEL_REAGENT), PROC_REF(start_chemming))
 
 	if(erupting_state)
 		icon_state = erupting_state
@@ -43,7 +43,6 @@
 		I.color = mix_color_from_reagents(reagents.reagent_list)
 		add_overlay(I)
 
-
 ///start making those CHHHHHEEEEEEMS. Called whenever chems are removed, it's fine because START_PROCESSING checks if we arent already processing
 /obj/structure/geyser/proc/start_chemming()
 	START_PROCESSING(SSplumbing, src) //It's main function is to be plumbed, so use SSplumbing
@@ -109,9 +108,10 @@
 	discovery_message = "It's a strange geyser! How does any of this even work?" //it doesnt
 
 /obj/structure/geyser/random/Initialize(mapload)
-	. = ..()
 	reagent_id = get_random_reagent_id()
 
+	return ..()
+
 ///A wearable tool that lets you empty plumbing machinery and some other stuff
 /obj/item/plunger
 	name = "plunger"