allow ios device tracker see calls to go through

[balloob]

Description:

iOS sends invalid data to the device_tracker.see service. This will add some unused fields to the validation to make sure that we don't break the iOS app.

iOS code: https://github.com/home-assistant/home-assistant-iOS/blob/3876be84c217b2b43c42630b61e0259925d8795c/HomeAssistant/HAAPI.swift#L209-L215

Related issue (if applicable): fixes #

Pull request in home-assistant.github.io with documentation (if applicable): home-assistant/home-assistant.github.io#<home-assistant.github.io PR number goes here>

Example entry for configuration.yaml (if applicable):

Checklist:

• The code change is tested and works locally.
• Local tests pass with tox. Your PR cannot be merged unless tests pass

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

• Documentation added/updated in home-assistant.github.io

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

• New dependencies have been added to the REQUIREMENTS variable (example).
• New dependencies are only imported inside functions that use them (example).
• New dependencies have been added to requirements_all.txt by running script/gen_requirements_all.py.
• New files were added to .coveragerc.

If the code does not interact with devices:

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

[Martinvdm]

#13021