Chainsaw/crowbar model fixes (#3894)

Co-authored-by: jtuc <6748724+jtuc@users.noreply.github.com>
Co-authored-by: Ghostipedia / Caitlynn <46772882+Ghostipedia@users.noreply.github.com>

Author: jtuc

src/main/resources/assets/gtceu/models/item/tools/lv_chainsaw.json

@@ -3,6 +3,7 @@
   "textures": {
 	"layer0": "gtceu:item/tools/power_unit_lv",
 	"layer1": "gtceu:item/tools/chainsaw",
-	"layer2": "gtceu:item/tools/chainsaw_body"
+    "layer2": "gtceu:item/void",
+    "layer3": "gtceu:item/tools/chainsaw_body"
   }
 }