[REFACTOR] Consolidates SLOT_FLAG and SLOT_HUD into one ITEM_SLOT flag (#26743)

* IT WORKS UP UNTIL THIS POINT

* Consolidates SLOT_FLAG and SLOT_HUD into one

* Remove cover_both_ears

* SLOT_HUD to ITEM_SLOT

* Remove clothing_trait changes for the time being

* Remove accidental copy-paste

* Re-add no-slip var

* More failure to copy-paste correctly

* Leftover flag

* Combine left and right slot flags where possible

* UNGOOF MY DEFINES, PHAND IS NOT A THING

* Minor spacing changes

* Some more fixes from merge

* Seperates ITEM SLOT AMOUNT into two defines

* ON SECOND THOUGHT LETS NOT DO THAT.

* Addresses Contra's review

* Thank you GREP

* Rename ITEM_SLOT_FEET to ITEM_SLOT_SHOES

* Added a comment to the bitmasks in clothing defines

* Rename ITEM_SLOT_TIE to ITEM_SLOT_ACCESSORY

* These are for a seperate PR.

* Magboot fixes

* Requested changes

* Re-add accidental removal

* Wrong flags

* Update code/__DEFINES/clothing_defines.dm

Co-authored-by: Contrabang <91113370+Contrabang@users.noreply.github.com>
Signed-off-by: Chap <erwin@lombok.demon.nl>

* Requested changes

* Merge fixes

* Fix double headset

* Fixes multiple accessories

---------

Signed-off-by: Chap <erwin@lombok.demon.nl>
Co-authored-by: Adrer <adrermail@gmail.com>
Co-authored-by: Contrabang <91113370+Contrabang@users.noreply.github.com>

code/game/objects/items/tools/crowbar.dm

@@ -7,7 +7,7 @@
 	belt_icon = "crowbar"
 	usesound = 'sound/items/crowbar.ogg'
 	flags = CONDUCT
-	slot_flags = SLOT_FLAG_BELT
+	slot_flags = ITEM_SLOT_BELT
 	force = 5
 	throwforce = 7
 	w_class = WEIGHT_CLASS_NORMAL

code/game/objects/items/tools/screwdriver.dm

@@ -6,7 +6,7 @@
 	icon_state = "screwdriver_map"
 	belt_icon = "screwdriver"
 	flags = CONDUCT
-	slot_flags = SLOT_FLAG_BELT
+	slot_flags = ITEM_SLOT_BELT
 	force = 5
 	w_class = WEIGHT_CLASS_TINY
 	throwforce = 5

code/game/objects/items/tools/welder.dm

@@ -8,7 +8,7 @@
 	item_state = "welder"
 	belt_icon = "welder"
 	flags = CONDUCT
-	slot_flags = SLOT_FLAG_BELT
+	slot_flags = ITEM_SLOT_BELT
 	force = 3
 	throwforce = 5
 	throw_speed = 3
@@ -27,7 +27,7 @@
 	pickup_sound =  'sound/items/handling/weldingtool_pickup.ogg'
 	var/maximum_fuel = 20
 	/// Set to FALSE if it doesn't need fuel, but serves equally well as a cost modifier.
-	var/requires_fuel = TRUE 
+	var/requires_fuel = TRUE
 	/// If TRUE, fuel will regenerate over time.
 	var/refills_over_time = FALSE
 	/// Sound played when turned on.

code/game/objects/items/tools/wirecutters.dm

@@ -5,7 +5,7 @@
 	icon_state = "cutters"
 	belt_icon = "wirecutters_red"
 	flags = CONDUCT
-	slot_flags = SLOT_FLAG_BELT
+	slot_flags = ITEM_SLOT_BELT
 	force = 6
 	throw_speed = 3
 	throw_range = 7

code/game/objects/items/tools/wrench.dm

@@ -5,7 +5,7 @@
 	icon_state = "wrench"
 	belt_icon = "wrench"
 	flags = CONDUCT
-	slot_flags = SLOT_FLAG_BELT
+	slot_flags = ITEM_SLOT_BELT
 	force = 5
 	throwforce = 7
 	usesound = 'sound/items/ratchet.ogg'