cr_chains: attempt to find deleted entry type from parent chain
cr_chains: attempt to find deleted entry type from parent chain

This can matter if the entry was deleted from the merged branch, but
modified in the unmerged branch, and thus needs to be re-created.

Issue: HOTPOT-719

keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client