missing/ merged comments with yq write

[infa-ddeore]

Describe the bug
comments are messed up while using yq write

Input Yaml
data1.yml:

$ cat /tmp/4
# comment 1

---
# comment 2

---
# comment 3
 
---
# comment 4

---
# comment 5
apiVersion: autoscaling/v2beta1
kind: HorizontalPodAutoscaler
metadata:
  labels:
    app: some-label-gw
    istio: some-other-value
    release: istio
  minReplicas: 2

Command
The command you ran:

yq w -d3 /tmp/input.yaml metadata.labels.test value

Actual behavior

1. comment 1 is removed
2. comment 2 and comment 3 are merged
3. blank element between comment 4 and comment 5

# comment 2
# comment 3
---


# comment 4
---

---
# comment 5
apiVersion: autoscaling/v2beta1
kind: HorizontalPodAutoscaler
metadata:
  labels:
    app: some-labels-like-custom-istio-ingressgateway
    istio: some-other-value
    release: istio
    test: value
  minReplicas: 2

Expected behavior
comments should be intact

Additional context

yq version 3.2.1

[mikefarah]

Duplicate of #427