Ansible request to start using "changed_when: False" in the playbooks

[sxa]

Please put the name of the software product (and affected platforms if relevant) in the title of this issue

• Missing install
• Bug in ansible playbook
• Request for new playbook addition

Details: Suggested by @Willsparker in #2420 (comment)

[Willsparker]

This is primarily for the times we use shell or command to query something- as it isn't changing the machine state, it should report as ok, not changed, however the shell and command modules will report changed by default. :-)