From 9a0ea78e0f23289154f29eb721edf34931ec1c57 Mon Sep 17 00:00:00 2001
From: John Preston <johnprestonmail@gmail.com>
Date: Sun, 18 Feb 2024 20:11:57 +0400
Subject: [PATCH] Don't show duplicated emoji set.

---
 .../SourceFiles/chat_helpers/emoji_list_widget.cpp     | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Telegram/SourceFiles/chat_helpers/emoji_list_widget.cpp b/Telegram/SourceFiles/chat_helpers/emoji_list_widget.cpp
index 224dafa08..42513a6ed 100644
--- a/Telegram/SourceFiles/chat_helpers/emoji_list_widget.cpp
+++ b/Telegram/SourceFiles/chat_helpers/emoji_list_widget.cpp
@@ -2114,6 +2114,16 @@ void EmojiListWidget::refreshCustom() {
 			: setId;
 		if (!lookupId) {
 			return;
+		} else if (!megagroup
+			&& !_custom.empty()
+			&& _custom.front().id == Data::Stickers::MegagroupSetId
+			&& _megagroupSet->mgInfo->emojiSet.id == setId) {
+			// Skip the set that is already added as a megagroup set.
+			return;
+		} else if (megagroup
+			&& ranges::contains(_custom, lookupId, &CustomSet::id)) {
+			// Skip the set that is already added as a custom set.
+			return;
 		}
 		auto it = sets.find(lookupId);
 		if (it == sets.cend()