fixup! media: apple: avd: add a dedicated "submit" step

[sofus13]

Makes actual h264 videos decode

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Please check all boxes that apply:

• This code was developed in accordance with the Asahi Linux Copyright Policy
• I have not used generative AI/LLMs to develop this code, in accordance with the Asahi Linux LLM Policy
• I have certified the above by adding a Signed-off-by: trailer to every commit

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