Merge two copies of the same enrollment saved by the provider on different
devices: lessons opened on either stay opened (a manual grant wins, otherwise
the first record), the most recent decision on each lesson wins, the most
recent status change wins, review comments from both are kept, and the
client's own lessons come from the copy changed last. On a tie, b wins.
Merge two copies of the same enrollment saved by the provider on different devices: lessons opened on either stay opened (a manual grant wins, otherwise the first record), the most recent decision on each lesson wins, the most recent status change wins, review comments from both are kept, and the client's own lessons come from the copy changed last. On a tie,
bwins.