Merge topic 'automoc-path-prefix-off'

5b5be34811 Help: Add 3.18.2 release note about AUTOMOC_PATH_PREFIX default change
db659e18bc Merge branch 'backport-3.17-automoc-path-prefix-off'
e503fbe38a Merge branch 'backport-3.16-automoc-path-prefix-off'
4c33b305a0 Autogen: Turn off moc path prefix generation by default

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !5105