Merge topic 'cpack-ifw-validate-input' into release-3.23

e41f1ef6ff CPack/IFW: Add missing referenced source file validation

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: buildbot <buildbot@kitware.com>
Acked-by: Konstantin Podsvirov <konstantin@podsvirov.pro>
Merge-request: !7116