Empty value in execution_environment should remove selections (ansible.controller.job_template)

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Bug Summary

When a template has Execution Environment selected but playbook specifies execution_environment = "", the selection in the template should be removed.

AWX version

23.2.0

Select the relevant components

[ ] UI
[ ] UI (tech preview)
[ ] API
[ ] Docs
[X] Collection
[ ] CLI
[ ] Other

Installation method

docker development environment

Modifications

Ansible version

2.14.2

Operating system

Red Hat Enterprise Linux release 9.1 (Plow)

Web browser

Chrome

Steps to reproduce

- name: Get all templates from AAP
  ansible.controller.export:
    job_templates: 'all'
  register: aap_templates

- debug:
    var: aap_templates.assets.job_templates[0].execution_environment

- set_fact:
    ee: ""

- name: Create templates
  ansible.controller.job_template:
    name: "{{ aap_templates.assets.job_templates[0].name }}"
    execution_environment: "{{ ee }}"

Expected results

TASK [Create templates] **** changed: [localhost]

Actual results

TASK [Get all templates from AAP] ** ok: [localhost]

TASK [debug] *** ok: [localhost] => { "aap_templates.assets.job_templates[0].execution_environment": { "name": "Automation Hub Default execution environment", "type": "execution_environment" } }

TASK [set_fact] **** ok: [localhost]

TASK [Create templates] **** ok: [localhost]

Additional information

No response

ansible / awx