oobe: Update eula screen name in debug overlay

After migrating eula screen to LoginScreenBehaior the screen is
temporarily named as "oobe-eula-md". This CL is a follow up name update.

Bug: 1121655
Change-Id: Ifcfbc0d8a3528d33deda01d9227c5ec449b0c1bc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2378029Reviewed-by: Roman Sorokin [CET] <rsorokin@chromium.org>
Commit-Queue: Danila Kuzmin <dkuzmin@google.com>
Cr-Commit-Position: refs/heads/master@{#803066}

chrome/browser/resources/chromeos/login/debug/debug.js

@@ -224,7 +224,7 @@ cr.define('cr.ui.login.debug', function() {
       kind: ScreenKind.NORMAL,
     },
     {
-      id: 'eula',
+      id: 'oobe-eula-md',
       kind: ScreenKind.NORMAL,
       // TODO: Current logic triggers switching screens in focus(), making
       // it impossible to trigger  installation settings dialog.