Make Personal Message button should add poster to topic

[Moin]

There was a bug some time ago

OP getting removed from PM when topic converted to PM?

I have a user who is saying that when they convert a topic to a PM, the original poster/topic owner is getting removed from the PM. The process is to convert the topic to PM and then add the @support group. When that happens, the person who converted the PM (who is a member of the support group) gets removed from the PM (since that would duplicate his notifications), but the owner is also getting removed, so they then wonder why their post has been deleted. It seems like adding the group to th…