Group node fixes (#2259)

* Prevent cleaning graph state on undo/redo

* Remove pause rendering due to LG bug

* Fix crash on disconnected internal reroutes

* Fix widget inputs being incorrect order and value

* Fix initial primitive values on connect

* basic support for basic rerouted converted inputs

* Populate primitive to reroute input

* dont crash on bad primitive links

* Fix convert to group changing control value

* reduce restrictions

* fix random crash in tests

tests-ui/utils/index.js

@@ -104,3 +104,12 @@ export function createDefaultWorkflow(ez, graph) {
 
 	return { ckpt, pos, neg, empty, sampler, decode, save };
 }
+
+export async function getNodeDefs() {
+	const { api } = require("../../web/scripts/api");
+	return api.getNodeDefs();
+}
+
+export async function getNodeDef(nodeId) {
+	return (await getNodeDefs())[nodeId];
+}