Add custom image functionality for inline mod buttons. (#5369)

Co-authored-by: Rasmus Karlsson <rasmus.karlsson@pajlada.com>

src/providers/twitch/TwitchBadges.hpp

@@ -48,7 +48,7 @@ public:
 private:
     void parseTwitchBadges(QJsonObject root);
     void loaded();
-    void loadEmoteImage(const QString &name, ImagePtr image,
+    void loadEmoteImage(const QString &name, const ImagePtr &image,
                         BadgeIconCallback &&callback);
 
     std::shared_mutex badgesMutex_;