CPS: Fix more crashes on non-objects

Extend commit 855eb77e48 (CPS: Fix crash on non-object configurations
in component, 2026-10-09) to "configurations" entries.

Extend commit 516b1dbbdf (CPS: Fix crash on non-object component in
.cps file, 2026-10-05) to apply also under *@<config>.cps files.
4 files changed