### Summary

User module is not idempotent when update_password: always parameter set in the playbook for macOS 

Result is always showing changed if use already present and no changes in the password . 



### Issue Type

Bug Report

### Component Name

user

### Ansible Version

```console
ansible 2.9.21
  config file = /etc/ansible/ansible.cfg
  configured module search path = ['/home/navarihtak/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /home/navarihtak/.local/lib/python3.8/site-packages/ansible
  executable location = /home/navarihtak/.local/bin/ansible
  python version = 3.8.10 (default, Nov 14 2022, 12:59:47) [GCC 9.4.0]
```


### Configuration

```console
# if using a version older than ansible-core 2.12 you should omit the '-t all'
$ ansible-config dump --only-changed -t all
$ ansible-config dump --only-changed
DEFAULT_VAULT_PASSWORD_FILE(env: ANSIBLE_VAULT_PASSWORD_FILE) = /home/navarihtak/.ansible/.vault_pass
HOST_KEY_CHECKING(env: ANSIBLE_HOST_KEY_CHECKING) = False
$
```


### OS / Environment

All MacOS version 

### Steps to Reproduce

```yaml
      - name: Add user for Darwin
        user:
          name: "{{ username }}"
          comment: "{{ username }}"
          shell: "/bin/bash"
          group: "{{ user_group }}"
          password: "{{ user_pass }}"
          update_password: always
          state: present
        when: ansible_os_family == 'Darwin'
        become: yes
```

### Expected Results

It should be idempotent. Result status should shows ok if user is already exist and password is not changed. 

### Actual Results

```console
Always shows result status is changed if user is already exist and password is not changed.
```


### Code of Conduct

- [X] I agree to follow the Ansible Code of Conduct
description:
            - Unless set to V(false), a home directory will be made for the user
              when the account is created or if the home directory does not exist.
            - Changed from O(createhome) to O(create_home) in Ansible 2.5.
        type: bool
        default: yes
        aliases: [ createhome ]
    move_home:
        description:
            - "If set to V(true) when used with O(home), attempt to move the user's old home
              directory to the specified directory if it isn't there already and the old home exists."
        type: bool
        default: no
    system:
        description:
            - When creating an account O(state=present), setting this to V(true) makes the user a system account.
            - This setting cannot be changed on existing users.
        type: bool
        default: no
    force:
        description:
            - This only affects O(state=absent), it forces removal of the user and associated directories on supported platforms.
            - The behavior is the same as C(userdel --force), check the man page for C(userdel) on your system for details and support.
            - When used with O(generate_ssh_key=yes) this forces an existing key to be overwritten.
        type: bool
        default: no
    remove:
        description:
            - This only affects O(state=absent), it attempts to remove directories associated with the user.
            - The behavior is the same as C(userdel --remove), check the man page for details and support.