Fix cluster action list filter
Fix cluster action list filter

This patch change action 'target' filter.

Change-Id: I1a234ed9b0073c062a63127c45384d30d0bff3bd
Signed-off-by: Yuanbin.Chen <115798e15ddd872778e240322a1a46f7d51b5ce2@gmail.com>

briancurtin/python-openstacksdk,dtroyer/python-openstacksdk,briancurtin/python-openstacksdk,dtroyer/python-openstacksdk,openstack/python-openstacksdk,openstack/python-openstacksdk,stackforge/python-openstacksdk,stackforge/python-openstacksdk