[stable-2.9] Fix: nmcli bridge-slave fails with error

[ccamacho]

This commit fixes the error for adding bridge slaves:

This fix is related to #42460 and #54617

Authored-by: Denis Kadyshev

SUMMARY

nmcli bridge-slave returns "Error: invalid or not allowed setting 'bridge-port'

ISSUE TYPE

• Bugfix Pull Request

COMPONENT NAME

nmcli module

ADDITIONAL INFORMATION

From #68065

Example tasks:

- name: Add bridge
  nmcli:
    type: bridge
    conn_name: br0
    ip4: "{{ ansible_default_ipv4.address }}/{{ ansible_default_ipv4.netmask | ipaddr('prefix') }}"
    gw4: "{{ ansible_default_ipv4.gateway }}"
    state: present

- name: Add bridge slave
  nmcli:
    type: bridge-slave
    conn_name: "{{ ansible_default_ipv4.interface }}"
    ifname: "{{ ansible_default_ipv4.interface }}"
    master: br0
    state: present

Fails with:

Error: invalid or not allowed setting 'bridge-port': 'bridge-port' not among [connection, tun, 802-3-ethernet (ethernet), ethtool, match, ipv4, ipv6, tc, proxy].