fix fb fqdn

bubble-server/src/main/resources/models/apps/user_block/fb/bubbleApp_userBlock_fb_matchers.json

@@ -7,7 +7,7 @@
       "template": true,
       "requestCheck": true,
       "requestModifier": true,
-      "fqdn": "facebook.com",
+      "fqdn": "www.facebook.com",
       "urlRegex": ".*",
       "rule": "fb_user_blocker"
     }]