valgrind failure

### Bug Description: recet Nightly valgrind checks CI actions failed https://github.com/manticoresoftware/manticoresearch/actions/runs/24965900839/job/73100492009 that could be after the new aggs feature at 42477f034ba479d1e5391977a43b1a32afa5088a or the scroll fix at 301cecf0ed9ea64e477e3ae20faf48391fa5e6cd could be better to investigate the leak source and eliminate it ### Manticore Search Version: master ### Operating System Version: linux ### Have you tried the latest development version? Yes ### Internal Checklist: ^{To be completed by the assignee. Check off tasks that have been completed or are not applicable.} <details> - [ ] Implementation completed - [ ] Tests developed - [ ] Documentation updated - [ ] Documentation reviewed </details>