### 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
info = self.user_info()
        overwrite = None
        try:
            ssh_key_file = self.get_ssh_key_path()
        except Exception as e:
            return (1, '', to_native(e))
        ssh_dir = os.path.dirname(ssh_key_file)
        if not os.path.exists(ssh_dir):
            if self.module.check_mode:
                return (0, '', '')
            try:
                os.mkdir(ssh_dir, int('0700', 8))
                os.chown(ssh_dir, info[2], info[3])
            except OSError as e:
                return (1, '', 'Failed to create %s: %s' % (ssh_dir, to_native(e)))
        if os.path.exists(ssh_key_file):
            if self.force:
                
                overwrite = 'y'
            else:
                return (None, 'Key already exists, use "force: yes" to overwrite', '')
        cmd = [self.module.get_bin_path('ssh-keygen', True)]
        cmd.append('-t')
        cmd.append(self.ssh_type)
        if self.ssh_bits > 0:
            cmd.append('-b')