Ability to set default pull policy for ee

[kk-at-redhat]

SUMMARY

Ability to switch execution environment pull policy to "---------" - default option

related #15821

ISSUE TYPE

Bug, Docs Fix or other nominal change

COMPONENT NAME

Collection

AWX VERSION

4.6.7

ADDITIONAL INFORMATION

Testing

ansible -m ansible.controller.execution_environment --args="name='B' image='aap-hub.int/ee-minimal-rhel8:latest' pull='missing'" localhost

localhost | CHANGED => {
    "changed": true,
    "id": 6
}

ansible -m ansible.controller.execution_environment --args="name='B' image='aap-hub.int/ee-minimal-rhel8:latest' pull=''" localhost

localhost | CHANGED => {
    "changed": true,
    "id": 6
}

ansible -m ansible.controller.execution_environment --args="name='B' image='aap-hub.int/ee-minimal-rhel8:latest' pull='never'" localhost

localhost | CHANGED => {
    "changed": true,
    "id": 6
}

ansible -m ansible.controller.execution_environment --args="name='B' image='aap-hub.int/ee-minimal-rhel8:latest' pull=''" localhost

localhost | CHANGED => {
    "changed": true,
    "id": 6
}

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[pb82]

wouldn't it be better to call the new option default instead of an empty string?

[kk-at-redhat]

If we do that we'd need to change export module and API because currently it's exporting as an empty value.
Not sure why we'd want to go through all these exercises. Let's just stick to the fundamental KISS principle :-)