Migrate to the new Get Channel Followers Helix endpoint, fixing follower count not showing up in usercards (#4809)

src/widgets/dialogs/UserInfoPopup.cpp

@@ -817,7 +817,7 @@ void UserInfoPopup::updateUserData()
             this->loadAvatar(user.profileImageUrl);
         }
 
-        getHelix()->getUserFollowers(
+        getHelix()->getChannelFollowers(
             user.id,
             [this, hack](const auto &followers) {
                 if (!hack.lock())
@@ -827,8 +827,9 @@ void UserInfoPopup::updateUserData()
                 this->ui_.followerCountLabel->setText(
                     TEXT_FOLLOWERS.arg(localizeNumbers(followers.total)));
             },
-            [] {
-                // on failure
+            [](const auto &errorMessage) {
+                qCWarning(chatterinoTwitch)
+                    << "Error getting followers:" << errorMessage;
             });
 
         // get ignore state