Fixed host ownership after container builds

Inside of the container build we chown all files to jenkins:jenkins but this results
in the host having incorrect ownership after the run which then causes problems
when CI comes back again to checkout with git.

Fix is to chown back to the local uid/gid regardless of outcome of run.sh (the build).

Ticket: ENT-10474
Changelog: none

generator/build/run.sh

@@ -21,6 +21,6 @@ true "${PACKAGE_UPLOAD_DIRECTORY?undefined}"
 true "${PACKAGE_BUILD?undefined}"
 
 c=$(buildah from -v $PWD:/nt docs-revamp-22)
-trap "buildah run $c bash -c 'sudo chmod -R a+rwX /nt'; buildah rm $c >/dev/null" EXIT
+trap "buildah run $c bash -c 'sudo chown -R root:root /nt; sudo chmod -R a+rwX /nt'; buildah rm $c >/dev/null" EXIT
 buildah run $c bash -x documentation/generator/build/main.sh $BRANCH $PACKAGE_JOB $PACKAGE_UPLOAD_DIRECTORY $PACKAGE_BUILD
 buildah run $c bash -x documentation/generator/_scripts/_publish.sh $BRANCH