core, ui: prohibit changing profile for prepared entity when first attempt to connect failed (#6037)

* core: prohibit changing profile for prepared entity when first attempt to connect failed

* reuse incognito

* schema

* ios

* postgres schema

* ios

* reenable tests

* kotlin

* update alert

* rename predicate, combine queries

* send the correct incognito mode, fail on attempt to change mode for prepared connection

* query plans

* ui: show group connecting status

---------

Co-authored-by: Evgeny Poberezkin <evgeny@poberezkin.com>

src/Simplex/Chat/Store/Postgres/Migrations/M20250704_groups_conn_link_prepared_connection.hs

@@ -0,0 +1,21 @@
+{-# LANGUAGE QuasiQuotes #-}
+
+module Simplex.Chat.Store.Postgres.Migrations.M20250704_groups_conn_link_prepared_connection where
+
+import Data.Text (Text)
+import qualified Data.Text as T
+import Text.RawString.QQ (r)
+
+m20250704_groups_conn_link_prepared_connection :: Text
+m20250704_groups_conn_link_prepared_connection =
+  T.pack
+    [r|
+ALTER TABLE groups ADD COLUMN conn_link_prepared_connection SMALLINT NOT NULL DEFAULT 0;
+|]
+
+down_m20250704_groups_conn_link_prepared_connection :: Text
+down_m20250704_groups_conn_link_prepared_connection =
+  T.pack
+    [r|
+ALTER TABLE groups DROP COLUMN conn_link_prepared_connection;
+|]

src/Simplex/Chat/Store/Postgres/Migrations/chat_schema.sql

@@ -645,7 +645,8 @@ CREATE TABLE test_chat_schema.groups (
     conn_short_link_to_connect bytea,
     conn_link_started_connection smallint DEFAULT 0 NOT NULL,
     welcome_shared_msg_id bytea,
-    request_shared_msg_id bytea
+    request_shared_msg_id bytea,
+    conn_link_prepared_connection smallint DEFAULT 0 NOT NULL
 );