fix: fix null value for codewhisperer percentage

[manodnyab]

Problem

Backend was getting errors as codewhispererPercentage should be double but in some places we are sending null which could be a string

Solution

Send 0 if value is null

License

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 62.38%. Comparing base (1eb3910) to head (252c1c3).

Files with missing lines	Patch %	Lines
...whisperer/src/shared/telemetry/telemetryService.ts	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2523      +/-   ##
==========================================
- Coverage   62.38%   62.38%   -0.01%     
==========================================
  Files         270      270              
  Lines       61790    61791       +1     
  Branches     4063     4064       +1     
==========================================
  Hits        38546    38546              
- Misses      23161    23162       +1     
  Partials       83       83              

Flag	Coverage Δ
unittests	62.38% <50.00%> (-0.01%)	⬇️

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

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.