User can't expand message

[ldormoy]

User has read permissions for stream A, but not for stream B.

The user sees all messages in stream A, but sometimes cannot expand a message to display its details. In this case, nothing happens when clicking on the message.

This happens when the message has been routed into both streams A and B. Giving the user read permissions to stream B solves the issue, but in my opinion it's a bug.