Fix screen() test to pass properties as third arg after category param

The screen() signature changed to screen(name, category?, properties?, ...),
so the test needs to pass undefined for category before the properties object.

https://claude.ai/code/session_0117WwRELH1nzVbxRj7Kmm5N

Author: claude

src/__tests__/FormoAnalytics.test.ts

@@ -349,7 +349,7 @@ describe('FormoAnalytics', () => {
 
   describe('screen()', () => {
     it('should track screen views', async () => {
-      await analytics.screen('HomeScreen', { section: 'featured' });
+      await analytics.screen('HomeScreen', undefined, { section: 'featured' });
 
       expect(mockEventManager.addEvent).toHaveBeenCalled();
     });