use SystemDomain instead of AppsDomain when pushing apps
use SystemDomain instead of AppsDomain when pushing apps

[#152478279]

Signed-off-by: Panagiotis Xynos <53e26dfb1da4567d74c8d13bef7794908b50c5da@engineerbetter.com>

pivotal-cf/cf-redis-smoke-tests,pivotal-cf/cf-redis-smoke-tests