Corrected the way we parse comma-separated "list tags" in PRIVMSGs (#3771)

tl;dr: we now split by slash only its first occurrence instead of every occurrence.

src/providers/twitch/TwitchBadge.hpp

@@ -11,9 +11,13 @@ class Badge
 public:
     Badge(QString key, QString value);
 
-    QString key_;           // e.g. bits
-    QString value_;         // e.g. 100
-    QString extraValue_{};  // e.g. 5 (the number of months subscribed)
+    bool operator==(const Badge &other) const;
+
+    // Class members are fetched from both "badges" and "badge-info" tags
+    // E.g.: "badges": "subscriber/18", "badge-info": "subscriber/22"
+    QString key_;    // subscriber
+    QString value_;  // 18
+    //QString info_; // 22 (should be parsed separetly into an std::unordered_map)
     MessageElementFlag flag_{
         MessageElementFlag::BadgeVanity};  // badge slot it takes up
 };