perf(ui): enforce aspect-ratio utilities on image wrappers to eliminate CLS (Closes #661)

[abhinavkdeval08-design]

Description

Resolves #661.

Audited the core UI components for progressive rendering issues. Replaced non-dimensional containers with strict aspect-video and aspect-square Tailwind utility classes on Next.js <Image> wrappers. This ensures that the exact bounding box is reserved before the image fetch completes, effectively eliminating Cumulative Layout Shift (CLS) during progressive rendering and improving overall Lighthouse UX metrics.

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)
• This change requires a documentation update

How Has This Been Tested?

• Local testing (Simulated Fast 3G networks to verify layout stability during image load)
• Vercel Preview Deployment

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 or errors
• I have checked that the "DevPath India" branding remains intact