Fixed Ice OBJECT not returning/sending correctly.

RelayClient/Resources/Raw/wwwroot/rtc.js

@@ -159,7 +159,7 @@ async function ensurePeerConnectionForUser(username) {
             channelId: currentChannelId,
             from: currentUsername,
             to: username,
-            candidate: event.candidate
+            candidate: JSON.stringify(event.candidate)
         });
     };