set value of authHelper only if alwaysInheritAuthentication is falsy

Author: SahilChoudhary22

lib/schemaUtils.js

@@ -2647,10 +2647,7 @@ module.exports = {
     }
 
     // handling authentication here (for http type only)
-    if (options.alwaysInheritAuthentication) {
-      authHelper = this.getAuthHelper(openapi, openapi.security);
-    }
-    else {
+    if (!options.alwaysInheritAuthentication) {
       authHelper = this.getAuthHelper(openapi, operation.security);
     }