Trimmed pictures move mapping when rendered

Hi,
Picture planes that are trimmed move their mapping when rendered by cycles. Worse is, it can’t be undone. Currently I have open an older saved file with the good mapping preserved and import that back in.
RM

When I trim a Picture I see mapping changing in both v6 and v7:

Files you can test with like in the gif

trim_changes_mappingv6.3dm (839.1 KB)
trim_changes_mapping.3dm (839.1 KB)

Logged as RH-61926 Trimming picture changes mapping