Make the dynamic node graph execution asynchronous (#1218)

* Make node graph execution async

Make node macro generate async node implementations

Start propagating async through the node system

Async checkpoint

Make Any<'i> Send + Sync

Determine node io type using panic node

Fix types for raster_node macro

Finish porting node registry?

Fix lifetime errors

Remove Send + Sync requirements and start making node construction async

Async MVP

Fix tests

Clippy fix

* Fix nodes

* Simplify lifetims for node macro + make node macro more modular

* Reenable more nodes

* Fix pasting images

* Remove http test from brush node

* Fix output type for cache node

* Fix types for let scope

* Fix formatting

node-graph/gcore/src/storage.rs

@@ -11,7 +11,7 @@ struct SetNode<S, I, Storage, Index> {
 }
 
 #[node_macro::node_fn(SetNode<_S, _I>)]
-fn set_node<T, _S, _I>(value: T, storage: &'any_input mut _S, index: _I)
+fn set_node<T, _S, _I>(value: T, storage: &'input mut _S, index: _I)
 where
 	_S: IndexMut<_I>,
 	_S::Output: DerefMut<Target = T> + Sized,
@@ -25,7 +25,7 @@ struct GetNode<S, Storage> {
 }
 
 #[node_macro::node_fn(GetNode<_S>)]
-fn get_node<_S, I>(index: I, storage: &'any_input _S) -> &'input _S::Output
+fn get_node<_S, I>(index: I, storage: &'input _S) -> &'input _S::Output
 where
 	_S: Index<I>,
 	_S::Output: Sized,