We want screen updating when used from Automation with no current document yet

Change-Id: Iec831ef4b4bf47a58bc67b3beb924e75cd42434e
Reviewed-on: https://gerrit.libreoffice.org/55327Reviewed-by: Michael Meeks <michael.meeks@collabora.com>
Tested-by: Michael Meeks <michael.meeks@collabora.com>

vbahelper/source/vbahelper/vbaapplicationbase.cxx

@@ -183,7 +183,7 @@ VbaApplicationBase::getScreenUpdating()
 {
     uno::Reference< frame::XModel > xModel = getCurrentDocument();
     if (!xModel.is())
-        return false;
+        return true;
     return !xModel->hasControllersLocked();
 }