cli:apply: skip apply rename when predictable interface names disabled

[jinkkkang]

skip apply udev rules rename when predictable interface names disabled

• skip net_setup_link when predictable interface names disabled
• devices_after_udev = utils.get_interfaces() will be useless when changes is empty， add a check

Checklist

• Runs make check successfully.
• Retains code coverage (make check-coverage).
• New/changed keys in YAML format are documented.
• (Optional) Adds example YAML for new feature.
• (Optional) Closes an open bug in Launchpad.

[jinkkkang]

@slyon Is the converage test failure as expected? I found that the original main branch converage test also failed

[jinkkkang]

@slyon can you help review the code? This modification is helpful in environments where predictable interface names is disabled,the udevd will not rename interface, skip it