[orca] Give window managers hints that we want to see the navlist

[Joanmarie Diggs <joanied src gnome org>]

commit 45c72c56dadb0b2169e3c56efb8dd0e471ce24c0
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Wed Nov 28 16:54:18 2018 -0500

    Give window managers hints that we want to see the navlist

 src/orca/orca_gui_navlist.py | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/src/orca/orca_gui_navlist.py b/src/orca/orca_gui_navlist.py
index 8f92d21fc..c0d674b6f 100644
--- a/src/orca/orca_gui_navlist.py
+++ b/src/orca/orca_gui_navlist.py
@@ -41,6 +41,9 @@ class OrcaNavListGUI:
         self._gui = self._createNavListDialog(columnHeaders, rows, selectedRow)
         self._gui.set_title(title)
         self._gui.set_modal(True)
+        self._gui.set_keep_above(True)
+        self._gui.set_focus_on_map(True)
+        self._gui.set_accept_focus(True)
         self._script = orca_state.activeScript
         self._document = None
         self.showGUI()