[Wi-Fi] Fix Wi-Fi wrong password notification can't launch editor

WifiPickerTracker gather WifiEntries at onStart but
WifiPickerTracker.getWifiEntries() may still have no WifiEntry
at onResume.

Check if there is a specified wrong password Wi-Fi network at
onWifiEntriesChanged.

Bug: 143328194
Test: manual
      Edit a Wi-Fi network with wrong password, click the wrong
      password notification, should see a Wi-Fi editor for the
      wrong password Wi-Fi network

Change-Id: I7de6e0e3eabb2cb00160709eca4951b655dc04d7