fix: Emit performance marks only for loaded components

[guptbhum]

Description

Bug - {component}Rendered and {component}Updated marks are emitted even if current component is loading.
Fix - Updated the usePerformanceMarks logic to emit markers only after the components are fully loaded.

Related links, issue #, if available: n/a

How has this been tested?

Locally tested the change
Updated unit and integration tests

Review checklist

The following items are to be evaluated by the author(s) and the reviewer(s).

Correctness

• Changes include appropriate documentation updates.
• Changes are backward-compatible if not indicated, see CONTRIBUTING.md.
• Changes do not include unsupported browser features, see CONTRIBUTING.md.
• Changes were manually tested for accessibility, see accessibility guidelines.

Security

• If the code handles URLs: all URLs are validated through the checkSafeUrl function.

Testing

• Changes are covered with new/existing unit tests? existing tests
• Changes are covered with new/existing integration tests? existing tests

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.40%. Comparing base (1f1d269) to head (c79323c).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff            @@
##             main    #3175    +/-   ##
========================================
  Coverage   96.40%   96.40%            
========================================
  Files         784      784            
  Lines       22143    22144     +1     
  Branches     7594     7191   -403     
========================================
+ Hits        21348    21349     +1     
  Misses        788      788            
  Partials        7        7            

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