This was written when the protocol was still barely understood, so none of the types here are correct and match the rest of the protocol. This change corrects these types.
Signed-off-by: Ophestra <cat@gensokyo.uk>
Test cases are from interactions between pw-container and PipeWire. Results are validated against corresponding body.
Signed-off-by: Ophestra <cat@gensokyo.uk>