Restore ability to provide fault tolerance config without b64 encoded secret

[cccs-nik]

What this PR does / why we need it:
Addresses #194 which removed a certain way of providing the fault tolerance config

Checklist

• Reviewed the CONTRIBUTING.md guide (required)
• Verify the work you plan to merge addresses an existing issue (If not, open a new one) (required)
• Check your branch with helm lint (required)
• Update version in Chart.yaml according semver rules (required)
• Substitute annotations section in Chart.yaml annotating implementations (useful for Artifacthub changelog) (required)
• Update chart README using helm-docs (required)

Which issue(s) this PR fixes:

Fixes #194

Special notes for your reviewer:

[cccs-mmrouet]

Hi, I am wondering if this pr can be looked at and merged as our organization is dependant on this fix to be put back into the chart. Thanks in advance!