Expose UiActions also for non current draft patch sets

Change-Id: If7ff2115e53a7569a7848ded489db7f1b386746e
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/change/ChangeJson.java b/gerrit-server/src/main/java/com/google/gerrit/server/change/ChangeJson.java
index 8f16bb4..af754db 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/change/ChangeJson.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/change/ChangeJson.java
@@ -822,7 +822,8 @@
       }
     }
 
-    if (out.isCurrent && has(CURRENT_ACTIONS)
+    if ((out.isCurrent || out.draft)
+        && has(CURRENT_ACTIONS)
         && userProvider.get().isIdentifiedUser()) {
       out.actions = Maps.newTreeMap();
       for (UiAction.Description d : UiActions.from(