Restore functionality of GPU infrastructure (#1797)

* Update gpu nodes to compile again

Restructure `gpu-executor` and `wgpu-executor`

And libssl to nix shell

Fix graphene-cli and add half percision color format

Fix texture scaling

Remove vulkan executor

Fix compile errors

Improve execution request deduplication

* Fix warnings

* Fix graph compile issues

* Code review

* Remove test file

* Fix lint

* Wip make node futures send

* Make futures Send on non wasm targets

* Fix warnings

* Fix nested use of block_on

---------

Co-authored-by: Keavon Chambers <keavon@keavon.com>

node-graph/gcore/src/ops.rs

@@ -379,7 +379,7 @@ pub struct IntoNode<I, O> {
 #[node_macro::node_fn(IntoNode<_I, _O>)]
 async fn into<_I, _O>(input: _I) -> _O
 where
-	_I: Into<_O>,
+	_I: Into<_O> + Sync + Send,
 {
 	input.into()
 }