Fix #2341: clicking section header scrolls to top and highlights all headers

[Surajiitmjnu]

What kind of change does this PR introduce?
Bugfix

Issue Number:

• Closes 🐛 Bug:Clicking section header scrolls to top and highlights all headers #2341

Screenshots/videos:

suraj_json_new.mp4

If relevant, did you update the documentation?
No

Summary
This PR fixes the issue where clicking on a section header or navigating through the Table of Contents scrolls the page incorrectly and does not properly highlight the active section.

The fix ensures that:

• The page scrolls to the correct section instead of the top.
• Only the active section header is highlighted, instead of all headers being highlighted.

This improves navigation clarity and overall user experience.

Does this PR introduce a breaking change?
No

Checklist

• Read, understood, and followed the contributing guidelines.

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[Surajiitmjnu]

Hi @idanidan29 sir,
Could you please review this PR and let me know if any further changes are required?

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (dbfaf31) to head (9e723a2).
⚠️ Report is 103 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #2352   +/-   ##
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  Coverage   100.00%   100.00%           
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  Files           30        30           
  Lines          633       672   +39     
  Branches       196       211   +15     
=========================================
+ Hits           633       672   +39     

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