create banner for client chat

src/Simplex/Chat/Library/Subscriber.hs

@@ -1368,6 +1368,7 @@ processAgentMessageConn vr user@User {userId} corrId agentConnId agentMessage =
                         -- they will be updated after connection is accepted.
                         upsertBusinessRequestItem cd (requestMsg_, prevSharedMsgId_)
                       Nothing -> do
+                        void $ createChatItem user (CDGroupSnd gInfo Nothing) False CIChatBanner Nothing (Just epochStart)
                         -- TODO [short links] possibly, we can just keep them created where they are created on the business side due to auto-accept
                         -- let e2eContent = CIRcvGroupE2EEInfo $ E2EInfo $ Just False -- no PQ encryption in groups
                         -- void $ createChatItem user cd False e2eContent Nothing Nothing