Fix mountOptions not applied during node stage and expand volume

[AkshaySainiDell]

Description

Apply mountOptions during node stage volume and node expand volume

GitHub Issues

List the GitHub issues impacted by this PR:

GitHub Issue #
dell/csm#1582

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?

Please describe the tests that you ran to verify your changes. Please also list any relevant details for your test configuration

• Installed driver and then created SC, PVC and POD that uses mount options (nfsvers=4.1)

[adarsh-dell]

Hi @AkshaySainiDell , Can you please add a screenshot of UT coverage?
Thanks

[AkshaySainiDell]

Hi @AkshaySainiDell , Can you please add a screenshot of UT coverage? Thanks

UT results https://github.com/dell/csi-powerstore/actions/runs/11795706312/job/32855987013?pr=375