smp server: fix notifiers lost when compacting store log (#1347)

src/Simplex/FileTransfer/Server/Store.hs

@@ -54,6 +54,7 @@ fileTimePrecision :: Int64
 fileTimePrecision = 3600 -- truncate creation time to 1 hour
 
 data FileRecipient = FileRecipient RecipientId RcvPublicAuthKey
+  deriving (Show)
 
 instance StrEncoding FileRecipient where
   strEncode (FileRecipient rId rKey) = strEncode rId <> ":" <> strEncode rKey

src/Simplex/FileTransfer/Server/StoreLog.hs

@@ -44,6 +44,7 @@ data FileStoreLogRecord
   | AddRecipients SenderId (NonEmpty FileRecipient)
   | DeleteFile SenderId
   | AckFile RecipientId
+  deriving (Show)
 
 instance StrEncoding FileStoreLogRecord where
   strEncode = \case