Fix Imaginate by porting its JS roundtrip code to graph-based async execution in Rust (#1250)

* Create asynchronous rust imaginate node

* Make a first imaginate request via rust

* Implement parsing of imaginate API result image

* Stop refresh timer from affecting imaginate progress requests

* Add cargo-about clarification for rustls-webpki

* Delete imaginate.ts and all uses of its functions

* Add imaginate img2img feature

* Fix imaginate random seed button

* Fix imaginate ui inferring non-custom resolutions

* Fix the imaginate progress indicator

* Remove ImaginatePreferences from being compiled into node graph

* Regenerate imaginate only when hitting button

* Add ability to terminate imaginate requests

* Add imaginate server check feature

* Do not compile wasm_bindgen bindings in graphite_editor for tests

* Address some review suggestions

- move wasm futures dependency in editor to the future-executor crate
- guard wasm-bindgen in editor behind a `wasm` feature flag
- dont make seed number input a slider
- remove poll_server_check from process_message function beginning
- guard wasm related code behind `cfg(target_arch = "wasm32")` instead
  of `cfg(test)`
- Call the imaginate idle states "Ready" and "Done" instead of "Nothing
  to do"
- Call the imaginate uploading state "Uploading Image" instead of
  "Uploading Input Image"
- Remove the EvalSyncNode

* Fix imaginate host name being restored between graphite instances

also change the progress status texts a bit.

---------

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

node-graph/graph-craft/src/document.rs

@@ -441,7 +441,7 @@ impl NodeNetwork {
 	}
 
 	/// Check if the specified node id is connected to the output
-	pub fn connected_to_output(&self, target_node_id: NodeId, ignore_imaginate: bool) -> bool {
+	pub fn connected_to_output(&self, target_node_id: NodeId) -> bool {
 		// If the node is the output then return true
 		if self.outputs.iter().any(|&NodeOutput { node_id, .. }| node_id == target_node_id) {
 			return true;
@@ -454,11 +454,6 @@ impl NodeNetwork {
 		already_visited.extend(self.outputs.iter().map(|output| output.node_id));
 
 		while let Some(node) = stack.pop() {
-			// Skip the imaginate node inputs
-			if ignore_imaginate && node.name == "Imaginate" {
-				continue;
-			}
-
 			for input in &node.inputs {
 				if let &NodeInput::Node { node_id: ref_id, .. } = input {
 					// Skip if already viewed
@@ -680,7 +675,7 @@ impl NodeNetwork {
 
 			let mut dummy_input = NodeInput::ShortCircut(concrete!(()));
 			std::mem::swap(&mut dummy_input, input);
-			if let NodeInput::Value { tagged_value, exposed } = dummy_input {
+			if let NodeInput::Value { mut tagged_value, exposed } = dummy_input {
 				let value_node_id = gen_id();
 				let merged_node_id = map_ids(id, value_node_id);
 				let path = if let Some(mut new_path) = node.path.clone() {