map_mesh: Use Mesh.copy instead of enumerating attributes

Co-authored-by: Alex Fikl <alexfikl@gmail.com>

meshmode/mesh/processing.py

@@ -1039,11 +1039,7 @@ def map_mesh(mesh, f):  # noqa
     # }}}
 
     from meshmode.mesh import Mesh
-    return Mesh(vertices, new_groups, skip_tests=True,
-            boundary_tags=mesh.boundary_tags,
-            nodal_adjacency=mesh.nodal_adjacency_init_arg(),
-            facial_adjacency_groups=mesh._facial_adjacency_groups,
-            is_conforming=mesh.is_conforming)
+    return mesh.copy(vertices=vertices, groups=new_groups)
 
 # }}}