Migrate EmpasizedNode from class based to function based component

[AdiIsHappy]

Which problem is this PR solving?

Converted EmphasizedNode in #2610

Description of the changes

• Refactored class components to functional components for EmphasizedNode.tsx for Issue [Feature]: Refactor class components to functional components #2610.
• Renamed the Props to EmphasizedNodeProps

How was this change tested?

Checklist

• I have read https://github.com/jaegertracing/jaeger/blob/master/CONTRIBUTING_GUIDELINES.md
• I have signed all commits
• I have added unit tests for the new functionality
• I have run lint and test steps successfully
  • for jaeger: make lint test
  • for jaeger-ui: npm run lint and npm run test

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.60%. Comparing base (57f5648) to head (95606e4).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2638   +/-   ##
=======================================
  Coverage   96.60%   96.60%           
=======================================
  Files         255      255           
  Lines        7727     7728    +1     
  Branches     2006     2012    +6     
=======================================
+ Hits         7465     7466    +1     
  Misses        262      262           

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[yurishkuro]

typo