Merge pull request #1679 from ramox81/codex/surface-associativity-sources

Associative extruded, revolved and lofted surfaces; spline and ellipse sources

# Conflicts:
#	src/app/command_driver/solid3d.rs
#	src/scene/dwg_native_constraints.rs
#	src/scene/model/mod.rs
#	src/scene/model/sweep_command_model.rs
#	src/scene/model/sweep_model.rs
#	src/scene/modify.rs

src/scene/mod.rs

@@ -3732,6 +3732,11 @@ impl Scene {
                     changes.push(change);
                 }
             }
+            for change in self.refresh_associative_surfaces(&changes) {
+                if !changes.iter().any(|(handle, _)| *handle == change.0) {
+                    changes.push(change);
+                }
+            }
             if solve_parametric && !self.parametric_constraints.is_empty() {
                 for change in self.refresh_parametric_constraints_with_initial_policy(
                     &changes,