Merge topic 'ccmake-delete-cache' into release-3.23

2defe9ff95 ccmake: Fix crash when deleting all cache entries
e1c85e29f4 ccmake: Move Initialization of Fields Inline

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: buildbot <buildbot@kitware.com>
Merge-request: !7257