gives some items sound_vary true (#86467)

## About The Pull Request
changed the `sound_vary` var that gives `vary` to pickup/drop sounds to
`TRUE` on:
- grenade
- handcuffs
- lead pipe
- batons
- beaker
- drinking glass
## Why It's Good For The Game
will give more variety for the soundscape, only did it for items that
will sounds good with it
## Changelog
🆑 grungussuss
sound: some more items will vary in pitch when picking them up and
placing them down
/🆑

code/game/objects/items/grenades/_grenade.dm

@@ -19,6 +19,7 @@
 	max_integrity = 40
 	pickup_sound = 'sound/items/grenade_pick_up.ogg'
 	drop_sound = 'sound/items/grenade_drop.ogg'
+	sound_vary = TRUE
 	/// Bitfields which prevent the grenade from detonating if set. Includes ([GRENADE_DUD]|[GRENADE_USED])
 	var/dud_flags = NONE
 	///Is this grenade currently armed?

code/game/objects/items/handcuffs.dm

@@ -50,6 +50,7 @@
 	custom_price = PAYCHECK_COMMAND * 0.35
 	pickup_sound = 'sound/items/handcuffs_pick_up.ogg'
 	drop_sound = 'sound/items/handcuffs_drop.ogg'
+	sound_vary = TRUE
 
 	///How long it takes to handcuff someone
 	var/handcuff_time = 4 SECONDS

code/game/objects/items/melee/baton.dm

@@ -320,6 +320,7 @@
 	active = FALSE
 	pickup_sound = 'sound/items/stun_baton_pick_up.ogg'
 	drop_sound = 'sound/items/stun_baton_drop.ogg'
+	sound_vary = TRUE
 
 	/// The sound effecte played when our baton is extended.
 	var/on_sound = 'sound/weapons/batonextend.ogg'
@@ -440,6 +441,7 @@
 	light_power = 0.5
 	pickup_sound = 'sound/items/stun_baton_pick_up.ogg'
 	drop_sound = 'sound/items/stun_baton_drop.ogg'
+	sound_vary = TRUE
 
 
 	var/throw_stun_chance = 35

code/modules/projectiles/guns/ballistic.dm

@@ -7,6 +7,7 @@
 	w_class = WEIGHT_CLASS_NORMAL
 	pickup_sound = 'sound/items/gun_pick_up.ogg'
 	drop_sound = 'sound/items/gun_drop.ogg'
+	sound_vary = TRUE
 
 	///sound when inserting magazine
 	var/load_sound = 'sound/weapons/gun/general/magazine_insert_full.ogg'

code/modules/projectiles/guns/energy.dm

@@ -5,6 +5,7 @@
 	icon = 'icons/obj/weapons/guns/energy.dmi'
 	pickup_sound = 'sound/items/gun_pick_up.ogg'
 	drop_sound = 'sound/items/gun_drop.ogg'
+	sound_vary = TRUE
 
 	/// What type of power cell this uses
 	var/obj/item/stock_parts/power_store/cell

code/modules/reagents/reagent_containers/cups/_cup.dm

@@ -230,6 +230,7 @@
 	fill_icon_thresholds = list(0, 1, 20, 40, 60, 80, 100)
 	pickup_sound = 'sound/items/handling/beaker_pickup.ogg'
 	drop_sound = 'sound/items/handling/beaker_place.ogg'
+	sound_vary = TRUE
 
 /obj/item/reagent_containers/cup/beaker/Initialize(mapload)
 	. = ..()

code/modules/reagents/reagent_containers/cups/drinkingglass.dm

@@ -14,6 +14,7 @@
 	obj_flags = UNIQUE_RENAME
 	drop_sound = 'sound/items/handling/drinkglass_drop.ogg'
 	pickup_sound = 'sound/items/handling/drinkglass_pickup.ogg'
+	sound_vary = TRUE
 	custom_price = PAYCHECK_LOWER
 	//the screwdriver cocktail can make a drinking glass into the world's worst screwdriver. beautiful.
 	toolspeed = 25