fix(conversions): read metadata absence from the proto map, not from None - #1602

fix(conversions): read metadata absence from the proto map, not from None#1602

joein merged 2 commits into

qdrant:devqdrant/qdrant-client:devfrom

feiiiiii5:fix/grpc-metadata-map-absencefeiiiiii5/qdrant-client:fix/grpc-metadata-map-absenceCopy head branch name to clipboard