chore(icons) : Update Twitter icons to X icons

[Jubed437]

Summary

This PR updates the old Twitter blue bird logo to the new X logo.

fixes #4289

Type

chore/icons

Details

• Replaced the Twitter logo in all relevant templates and components.
• This is a visual update only; no functional changes are made.
• Ensures the branding is up-to-date with the new logo guidelines.

Notes

• Verified that all previous icons continue to render correctly.
• No impact on functionality or layout.

BEFORE CHANGES

AFTER CHANGES

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.87%. Comparing base (e9e38e9) to head (520e2ab).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #4794   +/-   ##
=======================================
  Coverage   91.87%   91.87%           
=======================================
  Files          85       85           
  Lines        7105     7105           
=======================================
  Hits         6528     6528           
  Misses        577      577           

Flag	Coverage Δ
backend	96.66% <ø> (ø)
frontend	87.14% <ø> (ø)

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

Components	Coverage Δ
Accounts & Authentication	100.00% <ø> (ø)
Challenges Management	95.34% <ø> (ø)
Job Processing	98.19% <ø> (ø)
Participants & Teams	100.00% <ø> (ø)
Challenge Hosts	100.00% <ø> (ø)
Analytics	100.00% <ø> (ø)
Web Interface	100.00% <ø> (ø)
Frontend (Gulp)	87.14% <ø> (ø)
All Models	97.58% <ø> (ø)
All Views	100.00% <ø> (ø)
All Serializers	98.82% <ø> (ø)
Utility Functions	96.79% <ø> (ø)
Core Configuration	82.35% <ø> (ø)

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[Jubed437]

Hi @RishabhJain2018 👋,
I’ve opened this PR to update the old Twitter logo with the new X logo.
Please take a look when you get a chance and let me know if any changes are needed. Thanks!