core: silence repeat file receive error (#1426)

src/Simplex/Chat.hs

@@ -1325,7 +1325,7 @@ acceptFileReceive :: forall m. ChatMonad m => User -> RcvFileTransfer -> Maybe B
 acceptFileReceive user@User {userId} RcvFileTransfer {fileId, fileInvitation = FileInvitation {fileName = fName, fileConnReq, fileInline, fileSize}, fileStatus, grpMemberId} rcvInline_ filePath_ = do
   unless (fileStatus == RFSNew) $ case fileStatus of
     RFSCancelled _ -> throwChatError $ CEFileCancelled fName
-    _ -> throwChatError $ CEFileAlreadyReceiving fName
+    _ -> pure () -- throwChatError $ CEFileAlreadyReceiving fName
   case fileConnReq of
     -- direct file protocol
     Just connReq -> do