[orca] Activate the default script if the event queue is empty and there is no focus

[Joanmarie Diggs <joanied src gnome org>]

commit 1691087e49c976e5c7e9449e4b2a24878d4ca547
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Mon Mar 26 13:16:54 2018 -0400

    Activate the default script if the event queue is empty and there is no focus

 src/orca/event_manager.py |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/orca/event_manager.py b/src/orca/event_manager.py
index 569e4dc..21503df 100644
--- a/src/orca/event_manager.py
+++ b/src/orca/event_manager.py
@@ -376,6 +376,7 @@ class EventManager:
                     fullMessage = messages.NO_FOCUS
                     defaultScript = _scriptManager.getDefaultScript()
                     defaultScript.presentMessage(fullMessage, '')
+                    _scriptManager.setActiveScript(defaultScript, 'No focus')
                 self._gidleId = 0
                 rerun = False # destroy and don't call again
             self._gidleLock.release()