[silverbackdan]

Fixes #582

API Platform's ContextAction stores an array as the request's data with no resource_class, so PublishableEventListener::onPostRespond() called isConfigured(null) and the request failed with a TypeError. The listener now returns early when there is no resource class.

• Functional: Publishable\PublishableJsonLdContextTest requests /contexts/DummyPublishableComponent and /contexts/Page anonymously and as an admin, expecting 200 (failed with the TypeError before the fix).
• Unit: EventListener\Api\PublishableEventListenerTest covers array data with no resource class, so Infection's unit-only gate covers the changed line.

🤖 Generated with Claude Code

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.09%. Comparing base (bdd9c79) to head (32cba02).

Additional details and impacted files

@@            Coverage Diff            @@
##               main     #583   +/-   ##
=========================================
  Coverage     97.09%   97.09%           
- Complexity     5341     5342    +1     
=========================================
  Files           438      438           
  Lines         13817    13821    +4     
=========================================
+ Hits          13415    13419    +4     
  Misses          402      402           

Flag	Coverage Δ
phpunit	97.09% <100.00%> (+<0.01%)	⬆️

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