fix: extract nested ternary operation in CORS middleware

- Replace nested ternary with clear if-else statements
- Improves code readability and maintainability
- Addresses SonarCloud code quality issue

Author: dani-abib

packages/event-handler/src/rest/middleware/cors.ts

@@ -94,7 +94,10 @@ function resolveOrigin(
 
   if (typeof originConfig === 'function') {
     const result = originConfig(origin, reqCtx);
-    return typeof result === 'boolean' ? (result ? origin || '*' : '') : result;
+    if (typeof result === 'boolean') {
+      return result ? (origin || '*') : '';
+    }
+    return result;
   }
 
   if (Array.isArray(originConfig)) {