Fix Target Types filtering by ID (#1763)

Signed-off-by: Denislav Prinov <denislav.prinov@bosch.com>

hawkbit-rest/hawkbit-mgmt-resource/src/main/java/org/eclipse/hawkbit/mgmt/rest/resource/PagingUtility.java

@@ -68,7 +68,7 @@ public final class PagingUtility {
             // default
             return Sort.by(Direction.ASC, TargetTypeFields.ID.getFieldName());
         }
-        return Sort.by(SortUtility.parse(TargetFields.class, sortParam));
+        return Sort.by(SortUtility.parse(TargetTypeFields.class, sortParam));
     }
 
     static Sort sanitizeTagSortParam(final String sortParam) {