Set Flush on a few Dialogs

Summary: Sets layout as flush when rendering diff table or timeline in a Dialog

Test Plan: Tested each

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: epriestley, Korvin

Differential Revision: https://secure.phabricator.com/D10194

src/applications/transactions/controller/PhabricatorApplicationTransactionCommentHistoryController.php

@@ -73,6 +73,7 @@ final class PhabricatorApplicationTransactionCommentHistoryController
     $dialog = id(new AphrontDialogView())
       ->setUser($user)
       ->setWidth(AphrontDialogView::WIDTH_FULL)
+      ->setFlush(true)
       ->setTitle(pht('Comment History'));
 
     $dialog->appendChild($view);

src/applications/transactions/controller/PhabricatorApplicationTransactionDetailController.php

@@ -28,6 +28,7 @@ final class PhabricatorApplicationTransactionDetailController
       ->setUser($viewer)
       ->setTitle(pht('Change Details'))
       ->setWidth(AphrontDialogView::WIDTH_FULL)
+      ->setFlush(true)
       ->appendChild($details)
       ->addCancelButton($cancel_uri);