Fixed Defect in service.go

[daniyaliqbal2024]

Description

Introducing a error check for setting array related data to envs in csi-powermax

GitHub Issues

List the GitHub issues impacted by this PR:

GitHub Issue #
https://github.com/dell/csm/issues/1469

Checklist:

• [x] Have you run format,vet & lint checks against your submission?
• [x] Have you made sure that the code compiles?
• [ ] Did you run the unit & integration tests successfully?
• [ ] Have you maintained at least 90% code coverage?
• [ ] Have you commented your code, particularly in hard-to-understand areas
• [ ] Have you done corresponding changes to the documentation
• [ ] Did you run tests in a real Kubernetes cluster?
• [ ] Backward compatibility is not broken

How Has This Been Tested?