feat: removed usage of structuredClone inside the editorWarningSystem

ref: N25B-450

test/setupFlowTests.ts

@@ -1,5 +1,10 @@
 import '@testing-library/jest-dom';
 import { cleanup } from '@testing-library/react';
+import {
+  type CompositeWarningKey,
+  type SeverityIndex,
+  type WarningRegistry
+} from "../src/pages/VisProgPage/visualProgrammingUI/components/EditorWarnings.tsx";
 import useFlowStore from '../src/pages/VisProgPage/visualProgrammingUI/VisProgStores.tsx';
 
 if (!globalThis.structuredClone) {
@@ -69,31 +74,33 @@ export const mockReactFlow = () => {
 
 };
 
+const emptySeverityIndex : SeverityIndex = new Map([
+  ['INFO', new Set<CompositeWarningKey>()],
+  ['WARNING', new Set<CompositeWarningKey>()],
+  ['ERROR', new Set<CompositeWarningKey>()],
+]);
 
+const emptyWarningRegistry : WarningRegistry = new Map();
+
+const defaultState = {
+  nodes: [],
+  edges: [],
+  past: [],
+  future: [],
+  isBatchAction: false,
+  edgeReconnectSuccessful: true,
+  ruleRegistry: new Map(),
+  editorWarningRegistry: emptyWarningRegistry,
+  severityIndex: emptySeverityIndex,
+}
 
 beforeAll(() => {
-  useFlowStore.setState({
-    nodes: [],
-    edges: [],
-    past: [],
-    future: [],
-    isBatchAction: false,
-    edgeReconnectSuccessful: true,
-    ruleRegistry: new Map()
-  });
+  useFlowStore.setState(defaultState);
 });
 
 afterEach(() => {
   cleanup();
-  useFlowStore.setState({
-    nodes: [],
-    edges: [],
-    past: [],
-    future: [],
-    isBatchAction: false,
-    edgeReconnectSuccessful: true,
-    ruleRegistry: new Map()
-  });
+  useFlowStore.setState(defaultState);
 });
 
 if (typeof HTMLDialogElement !== 'undefined') {