Fixes file placement
Fixes file placement

Incorrect generation of file path where to put script symlink caused
"OSError: [Errno 2] No such file or directory" exception to be raised
after first execution plan run

Change-Id: I955d01deb8ff4bb5ddf8a39340cbe4439bb8311a
Closes-Bug: #1439767

openstack/murano-agent,Bloomie/murano-agent,openstack/murano-agent,Bloomie/murano-agent,Bloomie/murano-agent,Bloomie/murano-agent,openstack/murano-agent,openstack/murano-agent