Also in getInteractive() we want to return true, not false, if no model

Change-Id: I6b2d24792a16e934f7386c235b7d0cd78300b2b3
Reviewed-on: https://gerrit.libreoffice.org/55328Reviewed-by: Michael Meeks <michael.meeks@collabora.com>
Tested-by: Michael Meeks <michael.meeks@collabora.com>

vbahelper/source/vbahelper/vbaapplicationbase.cxx

@@ -239,7 +239,7 @@ sal_Bool SAL_CALL VbaApplicationBase::getInteractive()
 {
     uno::Reference< frame::XModel > xModel = getCurrentDocument();
     if (!xModel.is())
-        return false;
+        return true;
     uno::Reference< frame::XFrame > xFrame( xModel->getCurrentController()->getFrame(), uno::UNO_QUERY_THROW );
     uno::Reference< awt::XWindow2 > xWindow( xFrame->getContainerWindow(), uno::UNO_QUERY_THROW );