[orca] Treat toggle buttons as leaf nodes

[Joanmarie Diggs <joanied src gnome org>]

commit 7b031f3ec2068c06b3457886b9015db192b849c4
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Mon Oct 28 15:44:36 2019 -0400

    Treat toggle buttons as leaf nodes
    
    We do this for push buttons. And some user agents expose useless children
    of toggle buttons (just like they do for push buttons).

 src/orca/script_utilities.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/src/orca/script_utilities.py b/src/orca/script_utilities.py
index 260de4a7c..b2710ada2 100644
--- a/src/orca/script_utilities.py
+++ b/src/orca/script_utilities.py
@@ -4137,7 +4137,8 @@ class Utilities:
             return not state.contains(pyatspi.STATE_EXPANDED)
 
         roles = [pyatspi.ROLE_COMBO_BOX,
-                 pyatspi.ROLE_PUSH_BUTTON]
+                 pyatspi.ROLE_PUSH_BUTTON,
+                 pyatspi.ROLE_TOGGLE_BUTTON]
 
         return role in roles