Reduce Clumsy Gene's Obnoxious RNG (#19126)

* clumsy rng

* seperate define for this too

* there are very harmful too

* replace with macros

* fixed handling

---------

Co-authored-by: Kashargul <144968721+Kashargul@users.noreply.github.com>

code/modules/projectiles/gun.dm

@@ -216,7 +216,7 @@
 	if(HULK in M.mutations)
 		to_chat(M, span_danger("Your fingers are much too large for the trigger guard!"))
 		return FALSE
-	if((CLUMSY in M.mutations) && prob(40)) //Clumsy handling
+	if(CLUMSY_HARM_CHANCE(M)) //Clumsy handling
 		var/obj/P = consume_next_projectile()
 		if(P)
 			if(process_projectile(P, user, user, pick(BP_L_FOOT, BP_R_FOOT)))

code/modules/projectiles/guns/energy/gunsword_vr.dm

@@ -100,7 +100,7 @@
 	if(.)
 		return TRUE
 	if (active)
-		if ((CLUMSY in user.mutations) && prob(50))
+		if (CLUMSY_HARM_CHANCE(user))
 			user.visible_message(span_danger("\The [user] accidentally cuts [user.p_themselves()] with \the [src]."),\
 			span_danger("You accidentally cut yourself with \the [src]."))
 			user.take_organ_damage(5,5)