fix(websockets): Close stream before attempting to connect again (#6805)

CHANGELOG.md

@@ -54,6 +54,7 @@
 - Bugfix: Disable "Sort Tabs Alphabetically" action when notebook layout is locked. (#6710)
 - Bugfix: Fix highlight mentions not updating when username changes. (#6723, #6739)
 - Bugfix: Fixed Return and Enter being treated as different keys on Mac OS. (#6726)
+- Bugfix: Fixed WebSockets for 7TV or BTTV not connecting on Windows if IPv6 attempts fail. (#6805)
 - Bugfix: Fixed portable updates not showing an error if the updater is not present. (#6801)
 - Dev: Nightly builds are now defined through a build flag rather than the Modes file. (#6798)
 - Dev: Update release documentation. (#6498)

src/common/websockets/detail/WebSocketConnectionImpl.cpp

@@ -143,6 +143,14 @@ void WebSocketConnectionHelper<Derived, Inner>::onTcpHandshake(
         qCDebug(chatterinoWebsocket)
             << *this << "error in tcp handshake" << ep.address().to_string()
             << ec.message();
+
+        beast::get_lowest_layer(this->stream).socket().close(ec);
+        if (ec)
+        {
+            qCDebug(chatterinoWebsocket)
+                << *this << "closing websocket after error" << ec.message();
+        }
+
         this->tryConnect(++endpointIterator);
         return;
     }