refactor: renamed careerEngagementNetworkMessage field

[sameeramin]

For all changes

• Ensure adequate tests are in place (or reviewed existing tests cover changes)
• Ensure English strings are marked for translation. See documentation for more details.

Only if submitting a visual change

• Ensure to attach screenshots
• Ensure to have UX team confirm screenshots

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.00%. Comparing base (79507b9) to head (c864f66).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1095   +/-   ##
=======================================
  Coverage   86.00%   86.00%           
=======================================
  Files         381      381           
  Lines        7796     7796           
  Branches     1900     1867   -33     
=======================================
  Hits         6705     6705           
  Misses       1037     1037           
  Partials       54       54           

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[hamzawaleed01]

@sameeramin Will this stop rendering sidebar content on FE until new APIs are deployed with field renamed? 🤔

[sameeramin]

@hamzawaleed01 I'll merge this PR after updating the backend