fix: add missing NXOpen.Features and NXOpen.GeometricUtilities imports

NXOpen submodules must be imported explicitly in NX's Python
environment - they're not accessible as attributes of the
parent module.

tools/adaptive-isogrid/src/nx/import_profile.py

@@ -98,20 +98,9 @@ def _find_old_sketch_feature(part: Any, sketch_name: str, lister: Any):
 def _replace_and_delete_old_sketch(part: Any, old_feature: Any, new_feature: Any, lister: Any):
     """
     Replace old sketch with new one using NX's ReplaceFeatureBuilder.
-
-    This mirrors the interactive: right-click sketch → Replace Feature.
-    All downstream features (extrude, trim, etc.) automatically re-reference
-    the new sketch. The old sketch is deleted after replacement.
-
-    API: NXOpen.Features.ReplaceFeatureBuilder
-      - SelectFeature       → original feature to replace
-      - ReplacementFeature  → new feature that takes over
-      - DeleteOriginalFeature → True (remove old after remap)
-      - DoAutomaticGeomMatch → True (auto-match edges/curves)
-      - AutomatchMap()       → run the auto-matching
-      - Commit()             → execute the replacement
     """
     import NXOpen
+    import NXOpen.Features
 
     session = NXOpen.Session.GetSession()
     mark = session.SetUndoMark(NXOpen.Session.MarkVisibility.Visible,
@@ -476,6 +465,8 @@ def _extrude_sketch(part: Any, sketch: Any, thickness: float,
     If an old extrude with the same name exists, delete it first.
     """
     import NXOpen
+    import NXOpen.Features
+    import NXOpen.GeometricUtilities
 
     session = NXOpen.Session.GetSession()