Scheduled Messages: Fix duplicated sending (#4513)

src/components/middle/MessageList.tsx

@@ -567,6 +567,7 @@ const MessageList: FC<OwnProps & StateProps> = ({
   const withUsers = Boolean((!isPrivate && !isChannelChat) || isChatWithSelf || isRepliesChat || isAnonymousForwards);
   const noAvatars = Boolean(!withUsers || isChannelChat);
   const shouldRenderGreeting = isUserId(chatId) && !isChatWithSelf && !isBot && !isAnonymousForwards
+    && type === 'thread'
     && (
       (
         !messageGroups && !lastMessage && messageIds

src/components/middle/message/ContextMenuContainer.tsx

@@ -700,7 +700,8 @@ export default memo(withGlobal<OwnProps>(
         && !isMessageUnread
         && readDateExpiresAt
         && message.date > Date.now() / 1000 - readDateExpiresAt
-        && !userStatus?.isReadDateRestricted,
+        && !userStatus?.isReadDateRestricted
+        && messageListType !== 'scheduled',
     );
     const shouldRenderShowWhen = Boolean(
       canLoadReadDate && isPrivate && selectUserStatus(global, chat.id)?.isReadDateRestrictedByMe,

src/global/reducers/messages.ts

@@ -419,7 +419,19 @@ export function deleteChatScheduledMessages<T extends GlobalState>(
     });
   }
 
-  global = updateScheduledMessages(global, chatId, newById);
+  global = {
+    ...global,
+    scheduledMessages: {
+      byChatId: {
+        ...global.scheduledMessages.byChatId,
+        [chatId]: {
+          byId: {
+            ...newById,
+          },
+        },
+      },
+    },
+  };
 
   return global;
 }