Stream/General improvements

[insipx]

Non-wasm specific improvements pulled from work from wasm:

• improve streams. Since Rust 1.75 async fn in trait is supported, along with a much lighter replacement to async_trait.

  • This allows us to make our native streams completely stack-based, removing Pin<Box<dyn Stream>>
  • removes async-trait from everywhere except a trait in xmtp_id which requires dynamic dispatch
  • removing async-trait should also generally improve compile times
  • more flexible stream traits with associated types
  • using stack-based streams, means we can get rid of lots of clones() and use references instead
  • sets us up nicely for these new upcoming rust 2024 edition trait rules

• removes some unnecessary dependencies

  • flume, used in one place
  • smart-default used in once place

• removes an expensive clone we were doing in stream_all_messages preferring an Arc<> clone instead

• replaces ethers_core with ethers::core

• removes a random unsafe code block in xmtp_id

• unifies trait InboxOwner (uses one in xmtp_id, deletes elsewhere)

[insipx]

Previously, this would clone the entire HashMap<> (list of groups) for every single group message, where the key is a Vec<u8>. now we just clone the Arc.

[insipx]

This lifetime capture (+ '_) becomes the default behavior in rust 2024 edition + allows us to attach more flexible lifetime captures wherever we use impl Trait, which will allow eliding the 'alifetime here

[nplasterer]

Nice!

[neekolas]

This is a huge set of improvements