fix: add const used in searchfiltertrait

Author: darylholling

src/Filter/GlobalSearchFilter.php

@@ -8,6 +8,7 @@
 use ApiPlatform\Doctrine\Common\Filter\SearchFilterInterface;
 use ApiPlatform\Doctrine\Common\Filter\SearchFilterTrait;
 use ApiPlatform\Doctrine\Orm\Filter\AbstractFilter;
+use ApiPlatform\Doctrine\Orm\Filter\SearchFilter;
 use ApiPlatform\Doctrine\Orm\Util\QueryNameGeneratorInterface;
 use ApiPlatform\Exception\InvalidArgumentException;
 use ApiPlatform\Metadata\Operation;
@@ -20,6 +21,8 @@ class GlobalSearchFilter extends AbstractFilter implements SearchFilterInterface
 {
     use SearchFilterTrait;
 
+    public const DOCTRINE_INTEGER_TYPE = Types::INTEGER;
+
     final public const GLOBAL_SEARCH_QUERY_PARAMETER_NAME = '_global_search';
 
     final public const GLOBAL_SEARCH_QUERY_PROPERTIES_PARAMETER_NAME = '_global_search.properties';