bug #48288 [Security] Make onAuthenticationSuccess Response optional …

…(db306)

This PR was merged into the 6.2 branch.

Discussion
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[Security] Make onAuthenticationSuccess Response optional

| Q             | A
| ------------- | ---
| Branch?       | 6.0, 6.1, and 6.2
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Tickets       | N/A
| License       | MIT

Most authenticators currently use onAuthenticationSuccess with an optional Response. That's mainly due to usecases whereby we want to redirect specific users etc.

Commits
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1e95ac7 Make onAuthenticationSuccess Response optional

src/Symfony/Component/Security/Http/Authentication/AuthenticationSuccessHandlerInterface.php

@@ -29,5 +29,5 @@ interface AuthenticationSuccessHandlerInterface
     /**
      * Usually called by AuthenticatorInterface::onAuthenticationSuccess() implementations.
      */
-    public function onAuthenticationSuccess(Request $request, TokenInterface $token): Response;
+    public function onAuthenticationSuccess(Request $request, TokenInterface $token): ?Response;
 }