Add use statement

Author: Firesphere

src/Traits/CoreTraits/CoreAdminTrait.php

@@ -14,6 +14,7 @@
 use Exception;
 use Firesphere\SolrSearch\Helpers\SolrLogger;
 use Firesphere\SolrSearch\Interfaces\ConfigStore;
+use Firesphere\SolrSearch\Services\SolrCoreService;
 use Solarium\Client;
 use Solarium\QueryType\Server\CoreAdmin\Query\Query;
 use Solarium\QueryType\Server\CoreAdmin\Result\StatusResult;