Prevent restore to time which isn't covered by PITR chunks

Backup snapshots:
  2021-08-04T13:16:34Z [complete: 2021-08-04T13:16:55]
  2021-08-04T13:18:09Z [complete: 2021-08-04T13:18:31]
  2021-08-04T13:21:07Z [complete: 2021-08-04T13:21:28]
  2021-08-04T13:31:19Z [complete: 2021-08-04T13:31:41]
  2021-08-04T13:33:38Z [complete: 2021-08-04T13:34:04]
  2021-08-04T13:34:45Z [complete: 2021-08-04T13:35:07]
  2021-08-04T13:48:44Z [complete: 2021-08-04T13:49:06]
  2021-08-04T14:18:15Z [complete: 2021-08-04T14:18:37]

PITR <off>:
  2021-08-04T13:16:55 - 2021-08-04T13:57:48
  2021-08-04T14:18:37 - 2021-08-04T14:19:23

  config: [{ 2021-08-04T13:16:55 - 2021-08-04T13:58:02} { 2021-08-04T14:18:37 - 2021-08-04T14:19:38}]
  rs1: [{ 2021-08-04T13:16:55 - 2021-08-04T13:57:48} { 2021-08-04T14:18:37 - 2021-08-04T14:19:27}]
  rs2: [{ 2021-08-04T13:16:55 - 2021-08-04T13:58:01} { 2021-08-04T14:18:37 - 2021-08-04T14:19:23}]

pbm restore --time=2021-08-04T14:00:00
....Restore to the point in time '2021-08-04T14:00:00' has started

pbm logs -t0 -n rs1 -s D -e "pitrestore"
2021-08-04T14:20:15Z I [rs1/localhost:27019] [pitrestore/2021-08-04T14:00:00Z] recovery successfully finished
2021-08-04T14:20:15Z I [rs1/localhost:27019] [pitrestore/2021-08-04T14:00:00Z] oplog replay finished on {1628085468 2} <1628085600>
2021-08-04T14:20:14Z I [rs1/localhost:27019] [pitrestore/2021-08-04T14:00:00Z] replay chunks
2021-08-04T14:20:14Z I [rs1/localhost:27019] [pitrestore/2021-08-04T14:00:00Z] oplog replay finished on {1628084945 5}
2021-08-04T14:20:14Z I [rs1/localhost:27019] [pitrestore/2021-08-04T14:00:00Z] starting oplog replay
2021-08-04T14:20:14Z I [rs1/localhost:27019] [pitrestore/2021-08-04T14:00:00Z] restoring users and roles
2021-08-04T14:20:06Z I [rs1/localhost:27019] [pitrestore/2021-08-04T14:00:00Z] mongorestore finished
2021-08-04T14:20:03Z I [rs1/localhost:27019] [pitrestore/2021-08-04T14:00:00Z] snapshot 2021-08-04T13:48:44Z
2021-08-04T14:20:01Z I [rs1/localhost:27019] [pitrestore/2021-08-04T14:00:00Z] recovery started