Include objectPHID in feed.query text view

Summary: This way the type of story can be inferred.

Test Plan: requested feed.query with `view=>'text'`

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: aran, epriestley, Korvin

Differential Revision: https://secure.phabricator.com/D8521

src/applications/feed/conduit/ConduitAPI_feed_query_Method.php

@@ -121,6 +121,7 @@ final class ConduitAPI_feed_query_Method
               'epoch' => $story_data->getEpoch(),
               'authorPHID' => $story_data->getAuthorPHID(),
               'chronologicalKey' => $story_data->getChronologicalKey(),
+              'objectPHID' => $story->getPrimaryObjectPHID(),
               'text' => $story->renderText()
             );
           break;