core: show group as sender, add contact card to contact request chats, unify api type for prepared and contact request chats (#6003)

* core: option to show group as sender of chat item (for the initial items, e.g. welcome message)

* add chat item to contact request chats

* return AChat for prepared chats and contact requests

* update iOS api types, show prepared contact as blue, show preview info when content message is not available (previously was showing feature item)

* ios: remove ContactType

* ios: show group as sender, fix avatar not showing when member message sequence starts with merged items

* ios: update compose UI for all connection scenarios

* address settings

* ios: address settings UI

* fix tests

* fix tests 2

* ios: fix minor issues

src/Simplex/Chat/Bot.hs

@@ -64,7 +64,8 @@ initializeBotAddress' logAddress cc = do
       when logAddress $ do
         putStrLn $ "Bot's contact address is: " <> B.unpack (maybe (strEncode uri) strEncode shortUri)
         when (isJust shortUri) $ putStrLn $ "Full contact address for old clients: " <> B.unpack (strEncode uri)
-      void $ sendChatCmd cc $ AddressAutoAccept $ Just AutoAccept {businessAddress = False, acceptIncognito = False, autoReply = Nothing}
+      let settings = AddressSettings {businessAddress = False, welcomeMessage = Nothing, autoAccept = Just AutoAccept {acceptIncognito = False}, autoReply = Nothing}
+      void $ sendChatCmd cc $ SetAddressSettings settings
 
 sendMessage :: ChatController -> Contact -> Text -> IO ()
 sendMessage cc ct = sendComposedMessage cc ct Nothing . MCText