Release Notes:
- N/A

Picks up https://github.com/kvark/blade/pull/105,
https://github.com/kvark/blade/pull/97, and more

Switches the presentation to be non-blocking, which will improve the
latency slightly.

Allows to start playing with GLES backend, e.g.
```bash
cd crates/gpui
RUSTFLAGS="--cfg gles" CARGO_TARGET_DIR=./target-gl cargo run --example hello_world
```

It doesn't currently render properly due to an issue that needs
investigation, see
https://github.com/kvark/blade/pull/105#issuecomment-2041006542
But at least it's a start

Co-authored-by: Mikayla Maki <mikayla@zed.dev>