disable infill_before_walls

resources/definitions/inat_base.def.json

@@ -144,6 +144,9 @@
         "infill_sparse_thickness": {
             "value": "layer_height if (2*layer_height > 0.8*machine_nozzle_size) else 2*layer_height"
         },
+        "infill_before_walls": {
+            "value": false
+        },
         "expand_skins_expand_distance": {
             "value": "4"
         },