JSON: feat: modifier mesh setting (83

CURA-833)

resources/machines/fdmprinter.json

@@ -1799,6 +1799,13 @@
                     "visible": true,
                     "global_only": true
                 },
+                "modifier_mesh": {
+                    "label": "Modifier Mesh",
+                    "description": "Use this mesh to modify the infill desnity of other meshes with which it overlaps.",
+                    "type": "boolean",
+                    "default": false,
+                    "visible": false
+                },
                 "magic_mesh_surface_mode": {
                     "label": "Surface Mode",
                     "description": "Print the surface instead of the volume. No infill, no top/bottom skin, just a single wall of which the middle coincides with the surface of the mesh. It's also possible to do both: print the insides of a closed volume as normal, but print all polygons not part of a closed volume as surface.",