Prevents failure on fixing permissions for files with space in it (#9076)

scripts/ci/in_container/_in_container_utils.sh

@@ -93,8 +93,8 @@ function in_container_cleanup_pycache() {
 #
 function in_container_fix_ownership() {
     set +o pipefail
-    sudo find "${AIRFLOW_SOURCES}" -user root \
-    | sudo xargs chown -v "${HOST_USER_ID}.${HOST_GROUP_ID}" --no-dereference >/dev/null 2>&1
+    sudo find "${AIRFLOW_SOURCES}" -user root -print0 \
+    | sudo xargs --null chown -v "${HOST_USER_ID}.${HOST_GROUP_ID}" --no-dereference >/dev/null 2>&1
     set -o pipefail
 }