Side Navigation: upgrade to support instanced object at top

[prashanthr6383]

Description

References

Fixes #2927

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update

How Has This Been Tested?

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules
• I have checked my code and corrected any misspellings

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[jewel-shajan]

Testing has been completed, and several known limitations persist, as detailed below. These issues will be resolved in #3089:

• The expanded state can be closed by clicking outside only when the collapse-on-click-outside option is set to false for the side navigation with a header.
• Clicking outside the list does not close it.
• The list color does not adapt to the blue and dark themes.
• In the expanded state, the list size does not resize according to the width.