core: chat item on skipped messages (#705)

* core: chat item integrity

* create chat item on skipped messages (but only on content items)

* report skipped messages on all messages, not only content messages

* remove type signature

* remove migration

* update rfc

src/Simplex/Chat/Store.hs

@@ -131,6 +131,7 @@ module Simplex.Chat.Store
     deletePendingGroupMessage,
     createNewSndChatItem,
     createNewRcvChatItem,
+    createNewChatItemNoMsg,
     getChatPreviews,
     getDirectChat,
     getGroupChat,
@@ -2531,6 +2532,14 @@ createNewRcvChatItem st user chatDirection RcvMessage {msgId, chatMsgEvent} shar
           CDGroupRcv GroupInfo {membership = GroupMember {memberId = userMemberId}} _ ->
             (Just $ Just userMemberId == memberId, memberId)
 
+createNewChatItemNoMsg :: forall c d m. (MsgDirectionI d, MonadUnliftIO m) => SQLiteStore -> User -> ChatDirection c d -> CIContent d -> UTCTime -> UTCTime -> m ChatItemId
+createNewChatItemNoMsg st user chatDirection ciContent itemTs createdAt =
+  liftIO . withTransaction st $ \db ->
+    createNewChatItem_ db user chatDirection Nothing Nothing ciContent quoteRow itemTs createdAt
+  where
+    quoteRow :: NewQuoteRow
+    quoteRow = (Nothing, Nothing, Nothing, Nothing, Nothing)
+
 createNewChatItem_ :: forall c d. MsgDirectionI d => DB.Connection -> User -> ChatDirection c d -> Maybe MessageId -> Maybe SharedMsgId -> CIContent d -> NewQuoteRow -> UTCTime -> UTCTime -> IO ChatItemId
 createNewChatItem_ db User {userId} chatDirection msgId_ sharedMsgId ciContent quoteRow itemTs createdAt = do
   DB.execute