Description of problem:
SRO fails to deploy with error:
"failed to reconcile chart for SepcialResourceModule 'acm-ice': could not load helm chart 'acm-ice': file '/home/nonroot/.cache/special-resource-operator/helm/cache/acm-ice-0.0.1.tgz' does not appear to be a gzipped archive; got 'application/octet-stream'"


Version-Release number of selected component (if applicable):
SRO bundle: release-4.11
OCP: 4.10.0-0.nightly-2022-05-20-023246

How reproducible:


Steps to Reproduce:
1. clone sro from https://github.com/openshift/special-resource-operator.git
2. change directory to special-resource-operator/charts/example/
3. run: helm package acm-ice-0.0.1 -d /tmp/ace-ice
4. run: helm repo index /tmp/ace-ice
5. run: oc new-project acm-ice
6. run oc create cm acm-ice-chart --from-file=/tmp/acm-ice/acm-ice-0.0.1.tgz --from-file=/tmp/acm-ice/index.yaml 
7. adjust the acm-ice.yaml for the spokes and registry settings then apply it

Actual results:
- deployment does not start

- checking operator logs, this error can he seen:
{"level":"error","ts":1653389385.4247239,"logger":"controller.specialresourcemodule","msg":"Reconciler error","reconciler group":"sro.openshift.io","reconciler kind":"SpecialResourceModule","name":"acm-ice","namespace":"","error":"failed to reconcile chart for SepcialResourceModule 'acm-ice': could not load helm chart 'acm-ice': file '/home/nonroot/.cache/special-resource-operator/helm/cache/acm-ice-0.0.1.tgz' does not appear to be a gzipped archive; got 'application/octet-stream'","stacktrace":"sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).Start.func2.2\n\t/workspace/vendor/sigs.k8s.io/controller-runtime/pkg/internal/controller/controller.go:227"}

- checking the configmaps:
# oc get cm 
NAME                       DATA   AGE
acm-ice-chart              2      3m42s
kube-root-ca.crt           1      50m
openshift-service-ca.crt   1      50m

- checking the acm-ice-0.0.1.tgz 
# file /tmp/acm-ice/acm-ice-0.0.1.tgz 
/tmp/acm-ice/acm-ice-0.0.1.tgz: gzip compressed data, extra field, has comment, original size 40448

# cd /tmp/acm-ice

# gunzip acm-ice-0.0.1.tgz 

# ls
acm-ice-0.0.1.tar  index.yaml

# tar -xvf acm-ice-0.0.1.tar 
acm-ice/Chart.yaml
acm-ice/templates/0001-buildconfig.yaml
acm-ice/templates/0002-policy.yaml
acm-ice/templates/0003-placement.yaml
acm-ice/README.md
acm-ice/acm-ice.yaml
[root@ocp-edge32 acm-ice]# 



Expected results:
build to be successfull

Additional info: