message: fix: prevent empty node object to break import
  Fixes
diff: @@ -260,7 +260,7 @@ app.post('/api/importConfig', async function (req, res) {
  for (let i = 0; i < config.length; i++) {
  const e = config[i]
  if (e && (!hasProperty(e, 'name') || !hasProperty(e, 'loc'))) {
  - throw Error('Configuration not valid')
  + continue
  } else if (e) {
  await gw.zwave.callApi('_setNodeName', i, e.name || '')
  await gw.zwave.callApi('_setNodeLocation', i, e.loc || '')
  