message: increase db streaming cache to 500 objects
diff: @@ -203,7 +203,7 @@ module.exports = {
  } )
  .where( knex.raw( 'object_children_closure."streamId" = ? AND parent = ?', [ streamId, objectId ] ) )
  .orderBy( 'objects.id' )
  - return q.stream( { highWaterMark: 10 } )
  + return q.stream( { highWaterMark: 500 } )
  },
  async getObjectChildren( { streamId, objectId, limit, depth, select, cursor } ) {
  @@ -442,7 +442,7 @@ module.exports = {
  .andWhere( 'streamId', streamId )
  .orderBy( 'id' )
  .select( 'id', 'speckleType', 'totalChildrenCount', 'totalChildrenCountByDepth', 'createdAt', 'data' )
  - return res.stream( { highWaterMark: 10 } )
  + return res.stream( { highWaterMark: 500 } )
  },
  async hasObjects( { streamId, objectIds } ) {
  