Use New 7TV Cosmetics System (#4512)

* feat(seventv): use new cosmetics system

* chore: add changelog entry

* fix: old `clang-format`

* fix: small suggestions pt1

* refactor: add 7tv api wrapper

* fix: small clang-tidy things

* fix: remove unused constants

* fix: old clangtidy

* refactor: rename

* fix: increase interval to 60s

* fix: newline

* fix: Twitch

* docs: add comment

* fix: remove v2 badges endpoint

* fix: deadlock

This is actually really sad.

* fix: remove api entry

* fix: old clang-format

* Sort functions in SeventvBadges.hpp/cpp

* Remove unused vector include

* Add comments to SeventvBadges.hpp functions

* Rename `addBadge` to `registerBadge`

* fix: cleanup eventloop

* ci(test): add timeout

---------

Co-authored-by: Felanbird <41973452+Felanbird@users.noreply.github.com>
Co-authored-by: Rasmus Karlsson <rasmus.karlsson@pajlada.com>

src/providers/twitch/TwitchAccount.hpp

@@ -59,6 +59,12 @@ public:
     const QString &getOAuthClient() const;
     const QString &getUserId() const;
 
+    /**
+     * The Seventv user-id of the current user. 
+     * Empty if there's no associated Seventv user with this twitch user.
+     */
+    const QString &getSeventvUserID() const;
+
     QColor color();
     void setColor(QColor color);
 
@@ -98,6 +104,8 @@ public:
     void autoModAllow(const QString msgID, ChannelPtr channel);
     void autoModDeny(const QString msgID, ChannelPtr channel);
 
+    void loadSeventvUserID();
+
 private:
     QString oauthClient_;
     QString oauthToken_;
@@ -115,6 +123,8 @@ private:
     //    std::map<UserId, TwitchAccountEmoteData> emotes;
     UniqueAccess<TwitchAccountEmoteData> emotes_;
     UniqueAccess<std::unordered_map<QString, EmoteMap>> localEmotes_;
+
+    QString seventvUserID_;
 };
 
 }  // namespace chatterino