revert: restore original hexagon and roundedRect implementations

[omkarht]

📑 Summary

This PR reverts the hexagon and roundedRect shape implementations back to their original code.
These changes remove the dependencies on the simplified helper functions that were previously introduced.

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commit: 43b7db9

[codecov]

Codecov Report

❌ Patch coverage is 2.63158% with 37 lines in your changes missing coverage. Please review.
✅ Project coverage is 3.55%. Comparing base (f45ea0c) to head (43b7db9).
⚠️ Report is 46 commits behind head on develop.

Files with missing lines	Patch %	Lines
...endering-util/rendering-elements/shapes/hexagon.ts	0.00%	29 Missing ⚠️
...ring-util/rendering-elements/shapes/roundedRect.ts	11.11%	8 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           develop   #7139   +/-   ##
=======================================
  Coverage     3.55%   3.55%           
=======================================
  Files          474     474           
  Lines        47507   47419   -88     
  Branches       730     730           
=======================================
+ Hits          1687    1688    +1     
+ Misses       45820   45731   -89     

Flag	Coverage Δ
unit	3.55% <2.63%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
...ring-util/rendering-elements/shapes/roundedRect.ts	7.69% <11.11%> (+7.69%)	⬆️
...endering-util/rendering-elements/shapes/hexagon.ts	0.00% <0.00%> (ø)

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Build	Status	Details	Updated (UTC)
default (Inspect)	👍 Changes approved	230 changed	Nov 7, 2025, 8:53 AM