Bug 1483708 - Set dom.webnotifications.requireinteraction.enabled to true for notifications/idlharness.https.any.js. r=jgraham

Differential Revision: https://phabricator.services.mozilla.com/D3484

--HG--
extra : moz-landing-system : lando

testing/web-platform/meta/notifications/idlharness.https.any.js.ini

@@ -1,3 +1,5 @@
+prefs: [dom.webnotifications.requireinteraction.enabled:true]
+
 [idlharness.https.any.serviceworker.html]
   [Notification interface: attribute silent]
     expected: FAIL