Maps session rows to the card's meta, keyed by NormalizeUUID so lookups match however
the database cased the id.
Tolerant: an unparseable ClosedAt or __mj_CreatedAt becomes null rather than an Invalid
Date, which would otherwise render as "Invalid Date" on the card.
Maps session rows to the card's meta, keyed by NormalizeUUID so lookups match however the database cased the id.
Tolerant: an unparseable
ClosedAtor__mj_CreatedAtbecomesnullrather than an Invalid Date, which would otherwise render as "Invalid Date" on the card.