Fix a Paste activate/archive status constant in rendering

Summary: Fixes T11280. I extracted this at the last minute and got the constant flipped.

Test Plan: Archived, then activated a paste. Observed correct timeline stories/icons/etc.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11280

Differential Revision: https://secure.phabricator.com/D16240

src/applications/paste/xaction/PhabricatorPasteStatusTransaction.php

@@ -14,7 +14,7 @@ final class PhabricatorPasteStatusTransaction
   }
 
   private function isActivate() {
-    return ($this->getNewValue() == PhabricatorPaste::STATUS_ARCHIVED);
+    return ($this->getNewValue() == PhabricatorPaste::STATUS_ACTIVE);
   }
 
   public function getIcon() {