chore: [IOPLT-1355] Add dark mode variants to AnimatedPictogram component

[dmnplb]

Short description

This PR adds dark mode variants to the AnimatedPictogram component.

List of changes proposed in this pull request

• Add the new dark mode Lottie assets
• Update AnimatedPictogram to handle both light and dark mode variants

Preview

darkmode-animated-pictograms.mp4

How to test

• Go to the Design System section → Animated Pictograms (Experimental Lab)
• Switch to dark or light mode

[github-actions]

PR Title Validation for conventional commit type

✅ All good! PR title follows the conventional commit type.

[github-actions]

Jira Pull Request Link

This Pull Request refers to Jira issues:

• IOPLT-1355

[codecov]

Codecov Report

❌ Patch coverage is 83.33333% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 59.30%. Comparing base (655f389) to head (696a963).
⚠️ Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
ts/components/ui/AnimatedPictogram.tsx	83.33%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #7446   +/-   ##
=======================================
  Coverage   59.30%   59.30%           
=======================================
  Files        1820     1820           
  Lines       39157    39166    +9     
  Branches     8970     8917   -53     
=======================================
+ Hits        23222    23229    +7     
- Misses      15852    15867   +15     
+ Partials       83       70   -13     

Files with missing lines	Coverage Δ
ts/components/ui/AnimatedPictogram.tsx	91.17% <83.33%> (-4.83%)	⬇️

... and 13 files with indirect coverage changes

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