Fix #112184: Adapt optimized case of Points of Curve node for domain

Fix mistake in 000e722c7d. If domain is not
the curve, then result should be adopted to domain.

Pull Request: https://projects.blender.org/blender/blender/pulls/112185

source/blender/nodes/geometry/nodes/node_geo_curve_topology_points_of_curve.cc

@@ -195,10 +195,10 @@ class CurveStartPointInput final : public bke::CurvesFieldInput {
   }
 
   GVArray get_varray_for_context(const bke::CurvesGeometry &curves,
-                                 const eAttrDomain /*domain*/,
+                                 const eAttrDomain domain,
                                  const IndexMask & /*mask*/) const final
   {
-    return VArray<int>::ForSpan(curves.offsets());
+    return curves.adapt_domain(VArray<int>::ForSpan(curves.offsets()), ATTR_DOMAIN_CURVE, domain);
   }
 
   uint64_t hash() const final