set `_pos` when creating a Builder using a shared_ptr<Buffer> (#10321)
set `_pos` when creating a Builder using a shared_ptr<Buffer> (#10321)


arangodb/arangodb,arangodb/arangodb,wiltonlazary/arangodb,wiltonlazary/arangodb,Simran-B/arangodb,arangodb/arangodb,Simran-B/arangodb,Simran-B/arangodb,arangodb/arangodb,graetzer/arangodb,wiltonlazary/arangodb,Simran-B/arangodb,graetzer/arangodb,wiltonlazary/arangodb,graetzer/arangodb,graetzer/arangodb,Simran-B/arangodb,wiltonlazary/arangodb,graetzer/arangodb,wiltonlazary/arangodb,arangodb/arangodb,graetzer/arangodb,arangodb/arangodb,graetzer/arangodb,graetzer/arangodb,Simran-B/arangodb,graetzer/arangodb,Simran-B/arangodb,graetzer/arangodb,wiltonlazary/arangodb,graetzer/arangodb,Simran-B/arangodb,wiltonlazary/arangodb,arangodb/arangodb,Simran-B/arangodb,graetzer/arangodb,Simran-B/arangodb,graetzer/arangodb,graetzer/arangodb,arangodb/arangodb