Resolve "Check frontend/common boolean configuration options handling"

Summary

Additional Required Actions

• Requires manual tests in pre-production: YES/NO
• Requires a documentation update: YES/NO

References

Closes #1098 (closed)

continuousintegration/orchestration/helm/frontend/values.yaml

@@ -12,7 +12,7 @@ conf:
   frontend:
     instanceName: "CI"
     archiveFileMaxSizeGb: 1000
-    zeroLengthFilesForbidden: "on"
+    zeroLengthFilesForbidden: true
     zeroLengthFilesForbiddenVoExceptionList: ""
     logUrl: "file:/var/log/cta/cta-frontend.log"