wgpu calls createBuffer on an undefined from a worker thread on Wasm

[ghost]

Description
wgpu attempts to execute the createBuffer method on an undefined when running in a worker thread on the target wasm32-unknown-unknown. The instance, adapter, surface, and device were created on the main thread.

Repro steps
A runnable example is here, the source code for which is here; see wasm.rs and core/src/lib.rs. More generic instructions are described below.

1. Create a new Rust crate targeting wasm32-unknown-unknown.
2. Export a main function using #[wasm_bindgen].
3. In main, create a wgpu instance, adapter, device, and surface.
4. Create a new thread (e.g., using wasm_thread) in which a vertex buffer is created and initialized with the device returned by wgpu.
5. Observe the error.

Expected vs observed behavior
I expect the vertex buffer creation to be successful, after which render passes would occur, the command queue would be submitted, and the surface frame would ultimately be presented.

Instead, I observe that attempting to create the vertex buffer from a worker thread crashes the Wasm process.

Extra materials
On Microsoft Edge (Chromium-based), I receive the following error:

On Firefox, I receive the following error:

Platform
Windows 11. wgpu 0.13 (latest minor release). naga 0.9.

[codeart1st]

I also run into this issue.

wgpu/wgpu/src/backend/web.rs

Line 19 in b72bcc5

// Send nor Sync. Currently, wasm32 has no threading support so implementing `Send` or `Sync` for a

GPUDevice can be send via postMessage in Javascript, but in rust with wgpu this seems to be not solveable at the moment.

[teoxoy]

Related: #2652 (talks about the GLES backend but the same ideas should apply here too)