chart: use correct environment variables for globalResources

[mapidentity]

Summary

Fixes application of value globalResources so that the correct environment values are set. Currently this setting does nothing.

Closes #1069

Checklist

For Helm Chart changes

• Categorize the PR by setting a good title and adding one of the labels:
  bug, enhancement, documentation, change, breaking, dependency
  as they show up in the changelog
• PR contains the label area:chart
• PR contains the chart label, e.g. chart:k8up
• Commits are signed off
• Variables are documented in the values.yaml using the format required by Helm-Docs.
• Chart Version bumped if immediate release after merging is planned
• I have run make chart-docs
• Link this PR to related code release or other issues.