Fixes pianos (#3511)

-fixes being unable to move pianos
-fixes mechas getting the wrong wreckage icons if destroyed while open
-fixes fried mushroom taste

code/game/mecha/mecha.dm

@@ -152,7 +152,7 @@
 
 	if(wreckage)
 		var/obj/effect/decal/mecha_wreckage/WR = new wreckage(loc)
-		WR.icon_state = "[icon_state]-broken"
+		WR.icon_state = "[initial_icon]-broken"
 		for(var/obj/item/mecha_parts/mecha_equipment/E in equipment)
 			if(E.salvageable && prob(30))
 				WR.crowbar_salvage += E

code/game/objects/structures/musician.dm

@@ -27,7 +27,6 @@
 		name = "space piano"
 		desc = "This is a space piano, like a regular piano, but always in tune! Even if the musician isn't."
 		icon_state = "piano"
-		w_class = 15
 
 /obj/structure/device/piano/proc/playnote(var/note as text)
 	//world << "Note: [note]"

code/modules/reagents/reagent_containers/food/snacks.dm

@@ -2896,7 +2896,6 @@
 
 /obj/item/weapon/reagent_containers/food/snacks/friedmushroom/New()
 	..()
-	reagents.add_reagent("protein", 2)
 	bitesize = 5
 
 /obj/item/weapon/reagent_containers/food/snacks/pisanggoreng
@@ -4539,5 +4538,3 @@
 	reagents.add_reagent("protein", 10)
 	reagents.add_reagent("iron", 3)
 	bitesize = 4
-
-