bug symfony#61701 [SecurityBundle] Add missing fixXmlConfig() call for issuer (OskarStark)

This PR was merged into the 7.3 branch.

Discussion
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[SecurityBundle] Add missing `fixXmlConfig()` call for `issuer`

| Q             | A
| ------------- | ---
| Branch?       | 7.3
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Issues        | Follows https://github.com/symfony/symfony/pull/60996/files#r2296715420
| License       | MIT

as requested by `@fabpot`

Commits
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ee68802 [SecurityBundle] Add missing `fixXmlConfig()` call for `issuer`

Author: nicolas-grekas

src/Symfony/Bundle/SecurityBundle/DependencyInjection/Security/AccessToken/OidcTokenHandlerFactory.php

@@ -91,6 +91,7 @@ public function addConfiguration(NodeBuilder $node): void
         $node
             ->arrayNode($this->getKey())
                 ->fixXmlConfig($this->getKey())
+                ->fixXmlConfig('issuer')
                 ->validate()
                     ->ifTrue(static fn ($v) => !isset($v['algorithm']) && !isset($v['algorithms']))
                     ->thenInvalid('You must set either "algorithm" or "algorithms".')