Improve Twitch PubSub connection reliability (#3643)

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

src/providers/twitch/TwitchAccountManager.cpp

@@ -119,7 +119,7 @@ void TwitchAccountManager::reloadUsers()
                     qCDebug(chatterinoTwitch)
                         << "It was the current user, so we need to "
                            "reconnect stuff!";
-                    this->currentUserChanged.invoke();
+                    this->currentUserChanged();
                 }
             }
             break;
@@ -156,7 +156,7 @@ void TwitchAccountManager::load()
             this->currentUser_ = this->anonymousUser_;
         }
 
-        this->currentUserChanged.invoke();
+        this->currentUserChanged();
     });
 }