Updates a couple of /obj/item variables (#29829)

* compiles checkpoint

* fix some

* updatepaths

* fix

* rrr

* linters

* fiexs

* icon fixes

* plasmemes

* fix

* fix

* fix bit more

* fix

* well

* cleanup

* fix glasses layer

* conflict

* fuck gun code

* fixes

* fix

* fixes to energy guns

* review

* conflict

* support that 1 unathi pixel

* fix

code/game/objects/items/mountable_frames/newscaster_frame.dm

@@ -1,7 +1,7 @@
 /obj/item/mounted/frame/display
 	icon = 'icons/obj/status_display.dmi'
 	icon_state = "frame"
-	item_state = "syringe_kit"
+	inhand_icon_state = "syringe_kit"
 	materials = list(MAT_METAL=6000, MAT_GLASS=2000)
 	mount_requirements = MOUNTED_FRAME_SIMFLOOR | MOUNTED_FRAME_NOSPACE
 	metal_sheets_refunded = 3