Add type-hints to DuplicateActionRemover constructor.

plugins/CoreAdminHome/Model/DuplicateActionRemover.php

@@ -56,7 +56,7 @@ class DuplicateActionRemover
      * @param TableMetadata $tableMetadataAccess
      * @param LoggerInterface $logger
      */
-    public function __construct($tableMetadataAccess = null, $logger = null)
+    public function __construct(TableMetadata $tableMetadataAccess = null, LoggerInterface $logger = null)
     {
         $this->tableMetadataAccess = $tableMetadataAccess ?: new TableMetadata();
         $this->logger = $logger ?: StaticContainer::get('Psr\Log\LoggerInterface');