fix: added esxi connection test before ssh test

[burnsjared0415]

Summary

Added support to PowerManagement-ManagmentDomain.ps1 and PowerManagement-WorkloadDomain.ps1 for testing esxi connection before testing ssh command.

Type

• [x] Bugfix
• [ ] Enhancement or Feature
• [ ] Code Style or Formatting
• [ ] Documentation
• [ ] Refactoring
• [ ] Chore
• [ ] Other Please describe:

Breaking Changes?

• [ ] Yes, there are breaking changes.
• [x] No, there are no breaking changes.

Test and Documentation

• [x] Tests have been completed.
• [x] Documentation has been added or updated.

Issue References

Closes #49

Additional Information

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