fix: don't save sender as contact for certain message types (#4052)

protocol/messenger.go

@@ -3615,9 +3615,11 @@ func (m *Messenger) handleRetrievedMessages(chatWithMessages map[transport.Filte
 						continue
 					}
 					contact = c
+					if msg.Type != protobuf.ApplicationMetadataMessage_PUSH_NOTIFICATION_QUERY {
 						messageState.AllContacts.Store(senderID, contact)
 						m.forgetContactInfoRequest(senderID)
 					}
+				}
 				messageState.CurrentMessageState = &CurrentMessageState{
 					MessageID:        messageID,
 					WhisperTimestamp: uint64(msg.TransportMessage.Timestamp) * 1000,