oc-mirror writes helm charts and release signatures to a different results directory

Description of problem:
oc-mirror writes helm charts and release signatures to a different results directory

Version-Release number of selected component (if applicable):
Client Version: version.Info

{Major:"", Minor:"", GitVersion:"v0.2.0-alpha.1-52-g49a4f17", GitCommit:"49a4f178", GitTreeState:"clean", BuildDate:"2022-06-09T15:26:11Z", GoVersion:"go1.17.1", Compiler:"gc", Platform:"linux/amd64"}

How reproducible:
100%

Steps to Reproduce:
1. Generate a config
apiVersion: mirror.openshift.io/v1alpha2
kind: ImageSetConfiguration
mirror:
helm:
repositories:

• name: podinfo
  url: https://stefanprodan.github.io/podinfo
  charts:
• name: podinfo
  version: 5.0.0
  2. oc-mirror --config imageset-config.yaml.helm file://out
  3. oc-mirror --from out/mirror_seq1_000000.tar docker://localhost:5001

Actual results:
├── results-1654015879
│ └── charts
│ └── podinfo-5.0.0.tgz
└── results-1654015889
├── imageContentSourcePolicy.yaml
└── mapping.txt

Expected results:
Only one results directory

Additional info: