Update nitrite/src/main/java/org/dizitart/no2/filters/ElementMatchFilter.java

Co-authored-by: Copilot <[email protected]>

Author: anidotnet

nitrite/src/main/java/org/dizitart/no2/filters/ElementMatchFilter.java

@@ -167,6 +167,10 @@ private List<?> intersect(List<?> list1, List<?> list2) {
                 result.add(item);
             }
         }
+        // Explicitly handle intersection of null values
+        if (list1.contains(null) && list2.contains(null)) {
+            result.add(null);
+        }
         return result;
     }