refactor: update depth cutout and surface handling for improved geometry manipulation and clarity

tools/nodes/common/boundary_smoothing.py

@@ -7,6 +7,8 @@ from .smoothing import edge_boundary_field, pinned_smooth
 
 def _gated(group, value, blocked, *, default):
     """Return the value unless the blocked control is true."""
+    if blocked is False:
+        return value
     node = group.nodes.new("GeometryNodeSwitch")
     node.input_type = "FLOAT"
     node.inputs["True"].default_value = default