tdf#147115 writerfilter: style is only default if default=true
This was a dumb mistake in LO 2018 (so perhaps LO 6.2).
Regression from commit
6b7f12f6108f136d60bd77e3787ef6a2632038cd
Change-Id: I2adc642ffe9c2af1037fcc0a5d2b83c993511258
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/129386
Tested-by: Jenkins
Reviewed-by: Justin Luth <jluth@mail.com>
(cherry picked from commit
71303d77febfd51a493ce797933143cc318818cf)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/129339
Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org>