Ports a rewritten version of BAYSTRUMENTS (#11680)

* bay instruments

* k

* AAA

* remove that

* changes

* Update _instrument_key.dm

* safety nets

* @ghommie fixed

* volume

* Update item.dm

* Update item.dm

Co-authored-by: Ghom <42542238+Ghommie@users.noreply.github.com>

code/modules/mob/living/silicon/pai/software.dm

@@ -283,9 +283,7 @@
 				T.visible_message("<span class='warning'>A port on [src] opens to reveal [cable], which promptly falls to the floor.</span>", "<span class='italics'>You hear the soft click of something light and hard falling to the ground.</span>")
 		if("loudness")
 			if(subscreen == 1) // Open Instrument
-				internal_instrument.interact(src)
-			if(subscreen == 2) // Change Instrument type
-				internal_instrument.selectInstrument()
+				internal_instrument.ui_interact(src)
 
 	//updateUsrDialog()		We only need to account for the single mob this is intended for, and he will *always* be able to call this window
 	paiInterface()		 // So we'll just call the update directly rather than doing some default checks