tdf#123705: avoid duplicate themeColor

See http://bugs.documentfoundation.org/attachment.cgi?id=149585
+ https://bugs.documentfoundation.org/show_bug.cgi?id=123705#c4

Change-Id: I3c6fb0a1ac46a62c75bb9daeaded1633889416eb
Reviewed-on: https://gerrit.libreoffice.org/68398Reviewed-by: Julien Nabet <serval2412@yahoo.fr>
(cherry picked from commit 42398e38)
Reviewed-on: https://gerrit.libreoffice.org/68613
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>

sw/qa/extras/ooxmlexport/ooxmlexport8.cxx

@@ -1013,6 +1013,10 @@ DECLARE_OOXMLEXPORT_TEST(testN830205, "n830205.docx")
     getParagraph(1, "XXX");
 }
 
+DECLARE_OOXMLEXPORT_TEST(tdf123705, "tdf123705.docx")
+{
+}
+
 DECLARE_OOXMLEXPORT_TEST(testTableAutoColumnFixedSize, "table-auto-column-fixed-size.docx")
 {
     uno::Reference<text::XTextTablesSupplier> xTablesSupplier(mxComponent, uno::UNO_QUERY);

sw/source/filter/ww8/docxattributeoutput.cxx

@@ -2933,6 +2933,8 @@ void DocxAttributeOutput::Redline( const SwRedlineData* pRedlineData)
                     // we are done exporting the redline attributes.
                     rtl::Reference<sax_fastparser::FastAttributeList> pFontsAttrList_Original(m_pFontsAttrList);
                     m_pFontsAttrList.clear();
+                    rtl::Reference<sax_fastparser::FastAttributeList> pColorAttrList_Original(m_pColorAttrList);
+                    m_pColorAttrList.clear();
                     rtl::Reference<sax_fastparser::FastAttributeList> pEastAsianLayoutAttrList_Original(m_pEastAsianLayoutAttrList);
                     m_pEastAsianLayoutAttrList.clear();
                     rtl::Reference<sax_fastparser::FastAttributeList> pCharLangAttrList_Original(m_pCharLangAttrList);
@@ -2946,6 +2948,7 @@ void DocxAttributeOutput::Redline( const SwRedlineData* pRedlineData)
 
                     // Revert back the original values that were stored in 'm_pFontsAttrList', 'm_pEastAsianLayoutAttrList', 'm_pCharLangAttrList'
                     m_pFontsAttrList = pFontsAttrList_Original;
+                    m_pColorAttrList = pColorAttrList_Original;
                     m_pEastAsianLayoutAttrList = pEastAsianLayoutAttrList_Original;
                     m_pCharLangAttrList = pCharLangAttrList_Original;