chore: update TypeScript to 6.0.1-rc and adjust package dependencies

- Removed duplicate @typescript-eslint/utils dependency in frontend/package.json
- Updated TypeScript version from 5.9.3 to 6.0.1-rc in frontend/package.json and package.json
- Adjusted ResizeObserver mock to use globalThis in tests
- Modified tsconfig.json and tsconfig.node.json to include empty types array
- Cleaned up package-lock.json to reflect TypeScript version change and updated dev dependencies

frontend/src/components/__tests__/AccessListForm.test.tsx

@@ -18,7 +18,7 @@ vi.mock('react-hot-toast', () => ({
 }));
 
 // Mock ResizeObserver for any layout dependent components
-global.ResizeObserver = vi.fn().mockImplementation(() => ({
+globalThis.ResizeObserver = vi.fn().mockImplementation(() => ({
   observe: vi.fn(),
   unobserve: vi.fn(),
   disconnect: vi.fn(),