Disable automatically hidden or locked conversations for requester

Disable automatically hidden or locked conversations for requester

Hello
Could you please tell me how turn off "automatically hidden or locked conversations for requester"
If someone reply (CC) for request, then requester cannot see this conversation.

If it possibe to turn off this  for everyone ? - please find attachment below sdp.png.
where can i change this.


My SDP version: 9309

Regards
Lukas

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