feat: Whitelists the iceTransportPolicy option. (#2535)

react/features/base/config/functions.js

@@ -68,6 +68,7 @@ const WHITELISTED_KEYS = [
     'hosts',
     'iAmRecorder',
     'iAmSipGateway',
+    'iceTransportPolicy',
     'ignoreStartMuted',
     'nick',
     'openBridgeChannel',