Fix lispum generation of Pholio mocks

Summary: Fixes T7406. Unbreak this oldschool code.

Test Plan:
```
GENERATING: PhabricatorPholioMockTestDataGenerator
Generated Mock: M8: Ipsum est eu enim magna do; reprehenderit.
Generated Mock: M9: Dolor est culpa esse cillum ullamco.
Generated Mock: M10: Lorem do cillum sint mollit: minim, in, aliqua esse.
```

Also created a mock normally, worked/looked fine.

Reviewers: joshuaspence, btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T7406

Differential Revision: https://secure.phabricator.com/D11924

src/applications/pholio/lipsum/PhabricatorPholioMockTestDataGenerator.php

@@ -7,8 +7,8 @@ final class PhabricatorPholioMockTestDataGenerator
     $author_phid = $this->loadPhabrictorUserPHID();
     $author = id(new PhabricatorUser())
           ->loadOneWhere('phid = %s', $author_phid);
-    $mock = id(new PholioMock())
-      ->setAuthorPHID($author_phid);
+    $mock = PholioMock::initializeNewMock($author);
+
     $content_source = PhabricatorContentSource::newForSource(
       PhabricatorContentSource::SOURCE_UNKNOWN,
       array());

src/applications/pholio/storage/PholioMock.php

@@ -41,6 +41,7 @@ final class PholioMock extends PholioDAO
     return id(new PholioMock())
       ->setAuthorPHID($actor->getPHID())
       ->attachImages(array())
+      ->setStatus('open')
       ->setViewPolicy($view_policy)
       ->setEditPolicy($edit_policy);
   }