tdf#90810: skip breaks outside of the requested footnote

the footnote stream is parsed completely at each footnote insertion
(line) breaks outside of the requested footnote need to be skipped
test include

Change-Id: I78de7774b7daf44c2b8980115870082fc56924bd
Reviewed-on: https://gerrit.libreoffice.org/19228Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
Tested-by: Miklos Vajna <vmiklos@collabora.co.uk>

sw/qa/extras/ooxmlimport/ooxmlimport.cxx

@@ -40,6 +40,7 @@
 #include <com/sun/star/text/WritingMode2.hpp>
 #include <com/sun/star/text/XBookmarksSupplier.hpp>
 #include <com/sun/star/text/XDependentTextField.hpp>
+#include <com/sun/star/text/XFootnote.hpp>
 #include <com/sun/star/text/XFormField.hpp>
 #include <com/sun/star/text/XPageCursor.hpp>
 #include <com/sun/star/text/XTextColumns.hpp>
@@ -2862,6 +2863,17 @@ DECLARE_OOXMLIMPORT_TEST(testTdf91417, "tdf91417.docx")
     CPPUNIT_ASSERT_EQUAL(OUString("http://www.google.com/"), aValue);
 }
 
+DECLARE_OOXMLIMPORT_TEST(testTdf90810, "tdf90810short.docx")
+{
+    uno::Reference<text::XTextDocument> xTextDocument(mxComponent, uno::UNO_QUERY);
+    uno::Reference<text::XFootnotesSupplier> xFtnSupp(xTextDocument, uno::UNO_QUERY);
+    uno::Reference<container::XIndexAccess> xFtnIdxAcc(xFtnSupp->getFootnotes(), uno::UNO_QUERY);
+    uno::Reference<text::XFootnote> xFtn(xFtnIdxAcc->getByIndex(0), uno::UNO_QUERY);
+    uno::Reference<text::XText> xFtnText(xFtn, uno::UNO_QUERY);
+    rtl::OUString sFtnText = xFtnText->getString();
+    CPPUNIT_ASSERT_EQUAL(static_cast<sal_Int32>(90), static_cast<sal_Int32>(sFtnText.getLength()));
+}
+
 CPPUNIT_PLUGIN_IMPLEMENT();
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

writerfilter/source/ooxml/OOXMLFastContextHandler.cxx

@@ -1031,8 +1031,11 @@ void OOXMLFastContextHandlerProperties::handlePicture()
 
 void OOXMLFastContextHandlerProperties::handleBreak()
 {
-    OOXMLBreakHandler aBreakHandler(*mpStream);
-    getPropertySet()->resolve(aBreakHandler);
+    if(isForwardEvents())
+    {
+        OOXMLBreakHandler aBreakHandler(*mpStream);
+        getPropertySet()->resolve(aBreakHandler);
+    }
 }
 
 void OOXMLFastContextHandlerProperties::handleOLE()