Add a frame with shadow to both TD crate types

And remove the crate.shp in return
(which was just scrate.shp with shadow).

Also fixes WCRATE actor to actually use the correct .shp.

mods/cnc/rules/defaults.yaml

@@ -1096,7 +1096,7 @@
 		TerrainTypes: Clear, Rough, Road, Tiberium, BlueTiberium, Beach
 	RenderSprites:
 		Palette: effect
-		Image: crate
+		Image: scrate
 	WithCrateBody:
 		XmasImages: xcratea, xcrateb, xcratec, xcrated
 	MapEditorData:

mods/cnc/rules/misc.yaml

@@ -39,6 +39,8 @@ WCRATE:
 	Inherits: ^Crate
 	Tooltip:
 		Name: Wooden Crate
+	RenderSprites:
+		Image: wcrate
 
 SCRATE:
 	Inherits: ^Crate