Fix #111582: Delete geometry node incorrectly marks no loose vertices

The logic for telling when there are no loose edges or vertices was
incorrect.

source/blender/geometry/intern/mesh_copy_selection.cc

@@ -493,7 +493,9 @@ std::optional<Mesh *> mesh_copy_selection_keep_verts(
 
   /* Positions are not changed by the operation, so the bounds are the same. */
   dst_mesh->runtime->bounds_cache = src_mesh.runtime->bounds_cache;
-  copy_loose_vert_hint(src_mesh, *dst_mesh);
+  if (selection_domain == ATTR_DOMAIN_FACE) {
+    copy_loose_edge_hint(src_mesh, *dst_mesh);
+  }
   return dst_mesh;
 }