Fix toggle column action in the discover page

[tungsheng]

Description

The DocViewerTab component needs to be updated when the columns prop is updated.

This PR

• Add the columns prop check in the shouldComponentUpdate lifecycle method.
• Add unit test to test if component update when columns prop changed.

Issues Resolved

fixes

• [BUG] Toggle column in document doesn't toggle, it adds another column #8698

Screenshot

Testing the changes

Changelog

• fix: Fix toggle column action in the discover page

Check List

• All tests pass
  • yarn test:jest
  • yarn test:jest_integration
• New functionality includes testing.
• New functionality has been documented.
• Update CHANGELOG.md
• Commits are signed per the DCO using --signoff

[github-actions]

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[tungsheng]

@abbyhu2000 Would you kindly help with the WhiteSource Security Check fail in this PR? Any required action on my side? Is there a way to re-run the checks? Thank you! 🙏

[github-actions]

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[github-actions]

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