use originalUrl for path in chat key route

This resolves issue with invite arguments not showing up in QR:
https://github.com/status-im/universal-links-handler/issues/50

Signed-off-by: Jakub Sokołowski <jakub@status.im>

routes/index.js

@@ -94,7 +94,7 @@ const handleChatKey = (req, res) => {
     info: `Chat and transact with <span class="inline-block align-bottom w-32 truncate">${chatKey}</span> in Status.`,
     mainTarget: chatKey,
     headerName: chatName,
-    path: `/u/${chatKey}`,
+    path: req.originalUrl,
   })
 }