Closes#7941
Treat a null in JSON, when reading the config of a container, as if the
property was never included. W/o this fix the null would be saved in the
property as a string with a value of "null".
Signed-off-by: Doug Davis <dug@us.ibm.com>
Upstream-commit: a7cd25b8b69fe23c6458f5242dcd9f9039c99f48
Component: engine