From c15abbb5fe1b377a5f98bc88dca241ac3c0e6a2e Mon Sep 17 00:00:00 2001
From: Alexander Zinchuk <alx.zinchuk@gmail.com>
Date: Mon, 19 Jun 2023 11:59:28 +0200
Subject: [PATCH] Message List: Fix bot Start button not displayed (#3378)

---
 src/components/middle/MiddleColumn.tsx |  3 ++-
 src/global/actions/api/messages.ts     | 14 ++++++++------
 2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/src/components/middle/MiddleColumn.tsx b/src/components/middle/MiddleColumn.tsx
index f323dba4a..a683fc4a6 100644
--- a/src/components/middle/MiddleColumn.tsx
+++ b/src/components/middle/MiddleColumn.tsx
@@ -45,7 +45,8 @@ import {
   selectReplyingToId,
   selectTabState,
   selectTheme,
-  selectThreadInfo, selectThreadTopMessageId,
+  selectThreadInfo,
+  selectThreadTopMessageId,
 } from '../../global/selectors';
 import {
   getCanPostInChat,
diff --git a/src/global/actions/api/messages.ts b/src/global/actions/api/messages.ts
index ccbd8db1b..c0c06cc3f 100644
--- a/src/global/actions/api/messages.ts
+++ b/src/global/actions/api/messages.ts
@@ -68,7 +68,8 @@ import {
   selectDraft,
   selectEditingId,
   selectEditingMessage,
-  selectEditingScheduledId, selectFirstMessageId,
+  selectEditingScheduledId,
+  selectFirstMessageId,
   selectFirstUnreadId,
   selectFocusedMessageId,
   selectForwardsCanBeSentToChat,
@@ -1020,11 +1021,12 @@ async function loadViewportMessages<T extends GlobalState>(
   const allMessages = ([] as ApiMessage[]).concat(messages, localMessages);
   const byId = buildCollectionByKey(allMessages, 'id');
   const ids = Object.keys(byId).map(Number);
-  const threadFirstMessageId = selectFirstMessageId(global, chatId, threadId) || {};
-  if (threadId
-    && threadFirstMessageId !== threadId
-    && (!ids[0] || threadFirstMessageId === ids[0])) {
-    ids.unshift(threadId);
+
+  if (threadId !== MAIN_THREAD_ID) {
+    const threadFirstMessageId = selectFirstMessageId(global, chatId, threadId) || {};
+    if ((!ids[0] || threadFirstMessageId === ids[0]) && threadFirstMessageId !== threadId) {
+      ids.unshift(threadId);
+    }
   }
 
   global = addChatMessagesById(global, chatId, byId);