Remove another implicit this-capture for C++20 migration (#4257)

* Fix another usage of an implicit this capture

* Add changelog entry

CHANGELOG.md

@@ -16,7 +16,7 @@
 - Bugfix: Fixed crash that could occur when changing Tab layout and utilizing multiple windows. (#4248)
 - Dev: Remove protocol from QApplication's Organization Domain (so changed from `https://www.chatterino.com` to `chatterino.com`). (#4256)
 - Dev: Ignore `WM_SHOWWINDOW` hide events, causing fewer attempted rescales. (#4198)
-- Dev: Migrated to C++ 20 (#4252)
+- Dev: Migrated to C++ 20 (#4252, #4257)
 
 ## 2.4.0
 

src/providers/emoji/Emojis.cpp

@@ -215,7 +215,7 @@ void Emojis::sortEmojis()
 void Emojis::loadEmojiSet()
 {
 #ifndef CHATTERINO_TEST
-    getSettings()->emojiSet.connect([=](const auto &emojiSet) {
+    getSettings()->emojiSet.connect([this](const auto &emojiSet) {
 #else
     const QString emojiSet = "twitter";
 #endif