fix forgotten use DI namespaces ...

src/Console/ArchiveContact.php

@@ -4,6 +4,7 @@ namespace Friendica\Console;
 
 use Friendica\App;
 use Friendica\Database\Database;
+use Friendica\DI;
 use Friendica\Util\Strings;
 use RuntimeException;
 

src/Content/ContactSelector.php

@@ -7,6 +7,7 @@ namespace Friendica\Content;
 use Friendica\Core\Hook;
 use Friendica\Core\Protocol;
 use Friendica\Database\DBA;
+use Friendica\DI;
 use Friendica\Util\Network;
 use Friendica\Util\Strings;