Import language extensions when shadowing

Author: nickygerritsen

webapp/src/DataTransferObject/Shadowing/LanguageEvent.php

@@ -4,7 +4,11 @@
 
 class LanguageEvent implements EventData
 {
+    /**
+     * @param list<string>|null $extensions
+     */
     public function __construct(
         public readonly string $id,
+        public readonly ?array $extensions,
     ) {}
 }

webapp/src/Service/ExternalContestSourceService.php

@@ -833,6 +833,10 @@ protected function validateLanguage(Event $event, EventData $data): void
             ]);
         } else {
             $this->removeWarning($event->type, $data->id, ExternalSourceWarning::TYPE_DATA_MISMATCH);
+
+            $toCheck = ['extensions' => $data->extensions];
+
+            $this->compareOrCreateValues($event, $data->id, $language, $toCheck);
         }
     }