Filtering get topology count for specific sc key

[aqu-dell]

Description

Customer was facing issue with running cert-csi functional test when they had multiple drivers installed. The issue with the test was that it was getting all the topologies for all drivers.

To resolve this, we will only get topology keys based on the ones listed in the storage class.

GitHub Issues

List the GitHub issues impacted by this PR:

GitHub Issue #
dell/csm#1504

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
• I have maintained backward compatibility

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

• Test A
• Test B