In order to prevent that the frame action listener holds the object reference count when removed, ensure they are removed when disposing the object. Change-Id: If83574e31230d9c683adaf36af36485650fd2c50 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/113389 Tested-by: Jenkins Reviewed-by: Henry Castro <hcastro@collabora.com>