Touch up Subscriber List Dialog

Summary: Reduces images in ObjectLists to 40px over 50px, adds ability to show stackable lists in dialogs. Fixes T4891

Test Plan:
Tested People, Projects, Subscriber lists.

{F164265}

{F164264}

{F164266}

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: epriestley, Korvin

Maniphest Tasks: T4891

Differential Revision: https://secure.phabricator.com/D9426

src/view/AphrontDialogView.php

@@ -20,6 +20,7 @@ final class AphrontDialogView extends AphrontView {
   private $disableWorkflowOnCancel;
   private $width      = 'default';
   private $errors;
+  private $flush;
 
   const WIDTH_DEFAULT = 'default';
   const WIDTH_FORM    = 'form';
@@ -107,6 +108,11 @@ final class AphrontDialogView extends AphrontView {
     return $this;
   }
 
+  public function setFlush($flush) {
+    $this->flush = $flush;
+    return $this;
+  }
+
   public function setRenderDialogAsDiv() {
     // TODO: This API is awkward.
     $this->renderAsForm = false;
@@ -201,6 +207,9 @@ final class AphrontDialogView extends AphrontView {
     }
 
     $more = $this->class;
+    if ($this->flush) {
+      $more .= ' aphront-dialog-flush';
+    }
 
     switch ($this->width) {
       case self::WIDTH_FORM: