refactor(navigation): implement left navigation new specs

[badejayayesubabu]

Description

<navigation> : implement left navigation new fabric styles

What are the relevant story cards/tickets? Any additional PRs or other references?

Jira: Navigation-SURF-2172

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• [x] For UI changes, did you manually test in recent versions of modern browsers (Chrome, Firefox, and Safari)?
• [x] For UI changes, did you manually test in IE11 and legacy Edge?
• [ ] Did you add component tests for any new code?
• [ ] Did you run the component unit tests via yarn test to ensure all tests passed?
• [ ] Did you include a screenshot of the component tests?
• [ ] If you changed/added functionality, did you update the demo page and documentation?
• [ ] If needed, did you add or modify the demo test page to test the changed/added functionality?
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• [x] In Jira, have you linked to this PR on the ticket(s)?

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