WifiSetup: Pass the correct componentName and data for captivePortal

* CaptivePortal expects the networkid, which was not being passed on via the intent
* Also use the correct componentName to bring up the sign in page

Change-Id: I83d80dc3ec026d7a5a5d4b8bf4cf577214a13da4
Signed-off-by: Brandon McAnsh <brandon.mcansh@gmail.com>