chore: return 298 for filtered/dropped events in user transformer

[psrikanth88]

Description of the change

Description here

Type of change

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Related issues

Fix #1

Checklists

Development

• Lint rules pass locally
• The code changed/added as part of this pull request has been covered with tests
• All tests related to the changed code pass in development

Code review

• This pull request has a descriptive title and information useful to a reviewer. There may be a screenshot or screencast attached
• "Ready for review" label attached to the PR and reviewers mentioned in a comment
• Changes have been reviewed by at least one other engineer
• Issue from task tracker has a link to this pull request

[codecov]

Codecov Report

Attention: 25 lines in your changes are missing coverage. Please review.

Comparison is base (56c80f2) 87.01% compared to head (0c56df9) 87.11%.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #2665      +/-   ##
===========================================
+ Coverage    87.01%   87.11%   +0.09%     
===========================================
  Files          635      636       +1     
  Lines        28303    28341      +38     
  Branches      6715     6724       +9     
===========================================
+ Hits         24629    24688      +59     
+ Misses        3340     3325      -15     
+ Partials       334      328       -6     

Files	Coverage Δ
src/constants/index.js	100.00% <100.00%> (ø)
src/routes/userTransform.ts	100.00% <100.00%> (ø)
src/util/common.js	52.63% <100.00%> (+5.57%)	⬆️
src/controllers/userTransform.ts	7.46% <0.00%> (ø)
src/services/userTransform.ts	57.89% <74.07%> (+46.64%)	⬆️
src/middlewares/featureFlag.ts	10.52% <10.52%> (ø)

... and 2 files with indirect coverage changes

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[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

100.0% Coverage
0.0% Duplication