Joining channel adds channel owner to your contact list

[link2xt]

Tested with core v2.42.0.

1. Create Alice profile.
2. Alice creates a channel, let's call it "My Channel".
3. Alice creates QR code for the channel.
4. Bob scans the QR code.
5. Bob gets added to the channel.

On Desktop channel description does not have Alice in the channel profile.

Bob gets these messages in the channel chat where Alice is mentioned, but no info message leads to Alice profile:

Bob then goes to create a new chat and gets Alice there:

Here is the recent user feedback:

I tried the channels in DC. It's still in the experimental phase for a reason... You can't share the channel through the application itself, you need to drag the link from another place (where invited). But it creates a contact that you don't understand where it came from, and this turns out to be the owner of the channel, which is not visible in the channel profile.

Not adding channel owner to the contact list just after joining the channel seems to be a low hanging fruit to fix. What happens after the channel owner sends a message is out of scope for this issue.

There is also a forum topic with a proposal to separate contact list and collected contact list for discussion: https://support.delta.chat/t/separate-collected-contacts-from-the-contact-list/4485