fdo#51819: autorecovery: fix saving password in protected documents.

Thanks to sayt@mailinator.com for the idea.

Change-Id: Ib79abafe3d4d3ba21f7914aeb284d86ce662824c
(cherry picked from commit ef87ff6680f79362a431db6e7ef2f40cfc576219)
Reviewed-on: https://gerrit.libreoffice.org/8633
Tested-by: Markus Mohrhard <markus.mohrhard@googlemail.com>
Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>
diff --git a/framework/source/services/autorecovery.cxx b/framework/source/services/autorecovery.cxx
index 8a32d78..3a18af4 100644
--- a/framework/source/services/autorecovery.cxx
+++ b/framework/source/services/autorecovery.cxx
@@ -2305,9 +2305,11 @@ void AutoRecovery::implts_saveOneDoc(const OUString&                            
    // if the document was loaded with a password, it should be
    // stored with password
    utl::MediaDescriptor lNewArgs;
    OUString sPassword = lOldArgs.getUnpackedValueOrDefault(utl::MediaDescriptor::PROP_PASSWORD(), OUString());
    if (!sPassword.isEmpty())
        lNewArgs[utl::MediaDescriptor::PROP_PASSWORD()] <<= sPassword;
    css::uno::Sequence< css::beans::NamedValue > aEncryptionData =
        lOldArgs.getUnpackedValueOrDefault(utl::MediaDescriptor::PROP_ENCRYPTIONDATA(),
                css::uno::Sequence< css::beans::NamedValue >());
    if (aEncryptionData.getLength() > 0)
        lNewArgs[utl::MediaDescriptor::PROP_ENCRYPTIONDATA()] <<= aEncryptionData;

    // Further it must be saved using the default file format of that application.
    // Otherwhise we will some data lost.