fixes some rand() loops (#87795)

## About The Pull Request

i in rand(x,y) doesnt work

i in 1 to rand(x,y) does

## Why It's Good For The Game

bugggs

ghommie stole my gbp

## Changelog

🆑
fix: fixed random dm modifiers & some life-like reagent reactions
/🆑

code/modules/deathmatch/deathmatch_modifier.dm

@@ -519,7 +519,7 @@
 			modifiers_pool -= modpath
 
 	///Pick global modifiers at random.
-	for(var/iteration in rand(3, 5))
+	for(var/iteration in 1 to rand(3, 5))
 		var/datum/deathmatch_modifier/modifier = GLOB.deathmatch_game.modifiers[pick_n_take(modifiers_pool)]
 		modifier.on_select(lobby)
 		modifier.on_start_game(lobby)

code/modules/reagents/chemistry/recipes/others.dm

@@ -571,7 +571,7 @@
 
 /datum/chemical_reaction/corgium/on_reaction(datum/reagents/holder, datum/equilibrium/reaction, created_volume)
 	var/location = get_turf(holder.my_atom)
-	for(var/i in rand(1, created_volume) to created_volume) // More lulz.
+	for(var/i in 1 to rand(1, created_volume)) // More lulz.
 		new /mob/living/basic/pet/dog/corgi(location)
 	..()
 
@@ -627,7 +627,7 @@
 
 /datum/chemical_reaction/butterflium/on_reaction(datum/reagents/holder, datum/equilibrium/reaction, created_volume)
 	var/location = get_turf(holder.my_atom)
-	for(var/i in rand(1, created_volume) to created_volume)
+	for(var/i in 1 to rand(1, created_volume))
 		new /mob/living/basic/butterfly(location)
 	..()
 //scream powder
@@ -976,7 +976,7 @@
 
 /datum/chemical_reaction/ant_slurry/on_reaction(datum/reagents/holder, datum/equilibrium/reaction, created_volume)
 	var/location = get_turf(holder.my_atom)
-	for(var/i in rand(1, created_volume) to created_volume)
+	for(var/i in 1 to rand(1, created_volume))
 		new /mob/living/basic/ant(location)
 	..()