tdf#126795 docx export: do not output tab stops twice

Change-Id: I70235df7fb73133f413863ee5eb7c76905a60248
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/86767
Tested-by: Jenkins
Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>
(cherry picked from commit 264d27c94d7286a407b05a32f4097ac9d543e1a3)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/86896
Reviewed-by: Serge Krot (CIB) <Serge.Krot@cib.de>
diff --git a/sw/source/filter/ww8/docxattributeoutput.cxx b/sw/source/filter/ww8/docxattributeoutput.cxx
index 7a01c9f..cf0195c 100644
--- a/sw/source/filter/ww8/docxattributeoutput.cxx
+++ b/sw/source/filter/ww8/docxattributeoutput.cxx
@@ -7869,6 +7869,13 @@ void DocxAttributeOutput::ParaTabStop( const SvxTabStopItem& rTabStop )
        return;
    }

    // do not output inherited tabs twice (inside styles and inside inline properties)
    if ( nCount == nInheritedTabCount && nCount > 0 )
    {
        if ( *pInheritedTabs == rTabStop )
            return;
    }

    m_pSerializer->startElementNS(XML_w, XML_tabs);

    // Get offset for tabs