Resolves: tdf#147141 style:header-first/footer-first only ODF 1.3|1.2-extended

For ODF 1.2-extended write with loext namespace, for ODF 1.2 and
earlier do not write them at all.

LO versions <7.2.5 not having the fix for tdf#144940 need ODF 1.2
written (without header-first and footer-first) to not lose the
header/footer.

Change-Id: Id856459eac487ddd8ba0c6963db5d4e227d82093
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/142127
Reviewed-by: Eike Rathke <erack@redhat.com>
Tested-by: Jenkins
(cherry picked from commit 71081a2a79a7b5a1eefec60fc687c533a95d190d)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/142140
Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org>
diff --git a/sc/source/filter/xml/XMLTableMasterPageExport.cxx b/sc/source/filter/xml/XMLTableMasterPageExport.cxx
index 59b2937..61899e6 100644
--- a/sc/source/filter/xml/XMLTableMasterPageExport.cxx
+++ b/sc/source/filter/xml/XMLTableMasterPageExport.cxx
@@ -68,6 +68,17 @@ void XMLTableMasterPageExport::exportHeaderFooter(const css::uno::Reference < cs
    if( !xHeaderFooter.is() )
        return;

    sal_uInt16 nNameSpace = XML_NAMESPACE_STYLE;
    if (aName == XML_HEADER_FIRST || aName == XML_FOOTER_FIRST)
    {
        // Since ODF 1.3 OFFICE-3789 or 1.2-extended.
        auto const nVersion(GetExport().getSaneDefaultVersion());
        if (nVersion <= SvtSaveOptions::ODFSVER_012)
            return;
        if (nVersion < SvtSaveOptions::ODFSVER_013)
            nNameSpace = XML_NAMESPACE_LO_EXT;
    }

    Reference < XText > xCenter(xHeaderFooter->getCenterText());
    Reference < XText > xLeft(xHeaderFooter->getLeftText());
    Reference < XText > xRight(xHeaderFooter->getRightText());
@@ -81,7 +92,7 @@ void XMLTableMasterPageExport::exportHeaderFooter(const css::uno::Reference < cs
    if( !bDisplay )
        GetExport().AddAttribute( XML_NAMESPACE_STYLE,
                                        XML_DISPLAY, XML_FALSE );
    SvXMLElementExport aElem( GetExport(), XML_NAMESPACE_STYLE,
    SvXMLElementExport aElem( GetExport(), nNameSpace,
                              aName, true, true );
    if (!sCenter.isEmpty() && sLeft.isEmpty() && sRight.isEmpty())
        exportHeaderFooterContent( xCenter, false, false );