islandora:862 Remove white space at end of line causing failing tests.

islandora.module

@@ -253,7 +253,7 @@ function islandora_jsonld_alter_normalized_array(EntityInterface $entity, array
     foreach ($context_manager->getActiveContexts() as $context_config) {
       try {
         if ($context_config->getReaction($reaction->getPluginId()) && isset($context[CacheableNormalizerInterface::SERIALIZATION_CONTEXT_CACHEABILITY])) {
-          $context[CacheableNormalizerInterface::SERIALIZATION_CONTEXT_CACHEABILITY]->addCacheableDependency($context_config); 
+          $context[CacheableNormalizerInterface::SERIALIZATION_CONTEXT_CACHEABILITY]->addCacheableDependency($context_config);
         };
       }
       catch (PluginNotFoundException $e) {