Fix onvif PTZ service freeze

[skgsergio]

Description:

Using onvif service camera.onvif_ptz freezes HA. This is due a call to a non-async function extract_entity_ids inside an async service handler.

The fix is pretty easy and is just calling async_extract_entity_ids instead.

Checklist:

• The code change is tested and works locally.
• Local tests pass with tox.
• There is no commented out code in this PR.
• I have followed the development checklist

If user exposed functionality or configuration variables are added/changed:

• Documentation added/updated in home-assistant.io

If the code communicates with devices, web services, or third-party tools:

• The manifest file has all fields filled out correctly. Update and include derived files by running python3 -m script.hassfest.
• New or updated dependencies have been added to requirements_all.txt by running python3 -m script.gen_requirements_all.
• Untested files have been added to .coveragerc.

If the code does not interact with devices:

• Tests have been added to verify that the new code works.

[MartinHjelmare]

Thanks!