speed-up writer conversion in headless mode

Change-Id: Ie5ccd62608c0643e3c8f019aea136ba74b282274

sfx2/source/appl/sfxpicklist.cxx

@@ -196,7 +196,7 @@ void SfxPickList::AddDocumentToPickList( SfxObjectShell* pDocSh )
     OUString aThumbnail;
     // don't generate thumbnail when in headless mode, or on non-desktop (?)
 #if HAVE_FEATURE_DESKTOP
-    if (!pDocSh->IsModified() && !Application::IsHeadlessModeRequested())
+    if (!pDocSh->IsModified() && !Application::IsHeadlessModeEnabled())
     {
         // not modified => the document matches what is in the shell
         boost::shared_ptr<GDIMetaFile> pMetaFile = pDocSh->GetPreviewMetaFile();

sw/source/core/uibase/app/docsh.cxx

@@ -710,7 +710,7 @@ bool SwDocShell::ConvertTo( SfxMedium& rMedium )
     const OUString aFileName( rMedium.GetName() );
 
     // No View, so the whole Document!
-    if ( pWrtShell )
+    if ( pWrtShell && !Application::IsHeadlessModeEnabled() )
     {
         SwWait aWait( *this, true );
         // #i106906#