Backport UnmanagedTransaction stage and completion improvements#1069

Merged

injectives merged 2 commits intoneo4j:4.3from

injectives:feature/fixes

Nov 11, 2021

Commits on Nov 11, 2021

Make UnmanagedTransaction return ongoing tx completion stage (#1057)
injectives
committed
Call close with the appropriate flag to commit or rollback on UnmanagedTransaction where possible to avoid double state acquisition (#1065)
injectives
committed