[orca] Treat expanded events from listboxes as presentable events

[Joanmarie Diggs <joanied src gnome org>]

commit 2268d9a00bb23dadc3ac89f40f68ef0806dddc48
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Mon Oct 15 16:42:55 2018 +0200

    Treat expanded events from listboxes as presentable events

 src/orca/script_utilities.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/orca/script_utilities.py b/src/orca/script_utilities.py
index 53ef64be9..c3a7767fb 100644
--- a/src/orca/script_utilities.py
+++ b/src/orca/script_utilities.py
@@ -4774,7 +4774,7 @@ class Utilities:
             debug.println(debug.LEVEL_INFO, msg, True)
             return False
 
-        if role in [pyatspi.ROLE_TABLE_ROW, pyatspi.ROLE_COMBO_BOX]:
+        if role in [pyatspi.ROLE_TABLE_ROW, pyatspi.ROLE_COMBO_BOX, pyatspi.ROLE_LIST_BOX]:
             return True
 
         if role == pyatspi.ROLE_PUSH_BUTTON: