Revert "tdf#90810: skip all elements outside of the requested footnote"

This reverts commit 3eff65e7, causes assert at
writerfilter/source/dmapper/DomainMapper_Impl.cxx:5330 to fire during
CppunitTest_sw_ooxmlexport2

writerfilter/source/ooxml/OOXMLFastContextHandler.cxx

@@ -189,9 +189,8 @@ throw (uno::RuntimeException, xml::sax::SAXException, std::exception)
         m_bDiscardChildren = aState.m_bDiscardChildren;
         m_bTookChoice = aState.m_bTookChoice;
     }
-    else if (!m_bDiscardChildren && isForwardEvents())
+    else if (!m_bDiscardChildren)
         lcl_endFastElement(Element);
-
 }
 
 void OOXMLFastContextHandler::lcl_startFastElement