"Should Trusted Type policy creation be blocked by Content Security Policy?" passes "directive" instead of directive's name to "Create a violation object for global, policy, and directive"

[mbrodesser-Igalia]

https://w3c.github.io/trusted-types/dist/spec/#abstract-opdef-should-trusted-type-policy-creation-be-blocked-by-content-security-policy, step 2.8,

Fix: pass directive's name.