variables and source_vars expect dictionary but apply as yaml (multiple modules)

[kk-at-redhat]

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Bug Summary

Dictionary with provided variables seems to be applying as yaml:

• inventories: variables
• hosts: variables
• groups: variables
• inventory sources: source_vars

Also, see #14842

AWX version

23.2.0

Select the relevant components

• UI
• UI (tech preview)
• API
• Docs
• Collection
• CLI
• Other

Installation method

docker development environment

Modifications

no

Ansible version

2.14.2

Operating system

Red Hat Enterprise Linux release 9.1 (Plow)

Web browser

Chrome

Steps to reproduce

- ansible.controller.inventory:
    name: "Dynamic A"
    organization: "A"
    variables: {tt: tt}

- ansible.controller.host:
    name: "Host A"
    inventory: "Static A"
    variables: {tt: tt}

- ansible.controller.group:
    name: "Group A"
    inventory: "Static A"
    variables: {tt: tt}

- ansible.controller.inventory_source:
    name: "A"
    inventory: "Dynamic A"
    source_vars: {tt: tt}

Expected results

YAML:
---
tt: tt

Actual results

YAML:
{"tt": "tt"}

Additional information

No response