as a last resort, try to update VFS metadata of folders when discovered

when doing local discovery, it is possible that files or folders may be
discovered with VFS metadata not up to date (i.e. placeholder file not
set in sync)

in such case, generate a propagation instruction to set them in sync

Signed-off-by: Matthieu Gallien <[email protected]>

src/libsync/discovery.cpp

@@ -1717,7 +1717,7 @@ void ProcessDirectoryJob::processFileFinalize(
     }
 
     if (_discoveryData->_syncOptions._vfs &&
-        item->_type == CSyncEnums::ItemTypeFile &&
+        (item->_type == CSyncEnums::ItemTypeFile || item->_type == CSyncEnums::ItemTypeDirectory) &&
         item->_instruction == CSyncEnums::CSYNC_INSTRUCTION_NONE &&
         !_discoveryData->_syncOptions._vfs->isPlaceHolderInSync(_discoveryData->_localDir + path._local)) {
         item->_instruction = CSyncEnums::CSYNC_INSTRUCTION_UPDATE_VFS_METADATA;