Update buildQuery in Elastic

gql-elastic.Elastic.buildUserQuery.scala

def buildQuery(queryFilter: Filter): BoolQuery = {
  var qMusts = mutable.ListBuffer[Query]()
  var qFilters = mutable.ListBuffer[Query]()

  if (queryFilter.name.isDefined) {
    val name = queryFilter.name.get.toLowerCase()
    qMusts += prefixQuery("name", name);
  } else {
    qMusts += matchAllQuery()
  }

  if (queryFilter.bbox.isDefined) {
    val geom = queryFilter.bbox.get
    qFilters += geoQuery(geom)
  }

  return must(qMusts.toSeq).filter(qFilters)
}