Configure updater for standalone page

An annotation standalone page should only listen to news from
the showed annotation and its replies. This has been lost in the
our series of refactoring.

Now it is restored.

Fix #1427

h/static/scripts/controllers.coffee

@@ -510,8 +510,8 @@ class Editor
 
 
 class AnnotationViewer
-  this.$inject = ['$scope']
-  constructor: ($scope) ->
+  this.$inject = ['$routeParams', '$scope', 'streamfilter']
+  constructor: ($routeParams, $scope, streamfilter) ->
     # Tells the view that these annotations are standalone
     $scope.isEmbedded = false
 
@@ -520,6 +520,17 @@ class AnnotationViewer
     $scope.activate = angular.noop
     $scope.openDetails = angular.noop
 
+    $scope.$watch 'updater', (updater) ->
+      if updater?
+        updater.then (sock) ->
+          filter = streamfilter
+            .setPastDataNone()
+            .setMatchPolicyIncludeAny()
+            .addClause('/references', 'first_of', $routeParams.id, true)
+            .addClause('/id', 'equals', $routeParams.id, true)
+            .getFilter()
+          sock.send(JSON.stringify({filter}))
+
 
 class Viewer
   this.$inject = [