fix: cleanly exit on shutdown (#5537)

Co-authored-by: Mm2PL <mm2pl+gh@kotmisia.pl>
Co-authored-by: Nerixyz <nerixdev@outlook.de>

src/providers/bttv/BttvLiveUpdates.cpp

@@ -1,13 +1,17 @@
 #include "providers/bttv/BttvLiveUpdates.hpp"
 
+#include "common/Literals.hpp"
+
 #include <QJsonDocument>
 
 #include <utility>
 
 namespace chatterino {
 
+using namespace chatterino::literals;
+
 BttvLiveUpdates::BttvLiveUpdates(QString host)
-    : BasicPubSubManager(std::move(host))
+    : BasicPubSubManager(std::move(host), u"BTTV"_s)
 {
 }