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/TwitchAccountManager.cpp

@@ -17,6 +17,7 @@ TwitchAccountManager::TwitchAccountManager()
     this->currentUserChanged.connect([this] {
         auto currentUser = this->getCurrent();
         currentUser->loadBlocks();
+        currentUser->loadSeventvUserID();
     });
 
     this->accounts.itemRemoved.connect([this](const auto &acc) {