Bug fix/SEARCH-374-and-SEARCH-358 (#17056)
Bug fix/SEARCH-374-and-SEARCH-358 (#17056)

* fix serialization

* update iresearch submodule
arangodb/arangodb,wiltonlazary/arangodb,arangodb/arangodb,arangodb/arangodb,arangodb/arangodb,wiltonlazary/arangodb,arangodb/arangodb,arangodb/arangodb,wiltonlazary/arangodb,wiltonlazary/arangodb,wiltonlazary/arangodb,arangodb/arangodb,wiltonlazary/arangodb,arangodb/arangodb,wiltonlazary/arangodb,wiltonlazary/arangodb