Update basicsystem info usage for probe to reduce authentication calls

[sharmilarama]

Description

CSM Unity was using login API , updating that to use BasicSystemInfo API to reduce the authentication requests to check array liveness probe

GitHub Issues

List the GitHub issues impacted by this PR:

GitHub Issue #
dell/csm#1415

Checklist:

• I have performed a self-review of my own code to ensure there are no formatting, vetting, linting, or security issues
• I have verified that new and existing unit tests pass locally with my changes
• I have not allowed coverage numbers to degenerate
• I have maintained at least 90% code coverage
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• Backward compatibility is not broken

How Has This Been Tested?

Ran tests for 4 hours with the health monitor enabled and encountered no 401 errors.

[AkshaySainiDell]

LGTM

[atye]

Can a unit test be added?

[AkshaySainiDell]

Can a unit test be added?

We’ve made some tweaks to improve how we probe the array. Instead of using Authenticate, we’re now calling BasicSystemInfo which does not require any session. The outcome of the probe remains the same, so our existing unit tests should cover us.