fix(terraform): trim new-lines and whitespaces from TF vars override values

[rmnbrd]

Summary

Issue: QOV-1533

This PR corrects an issue where the override values of TF variables were not trimmed.

Screenshots / Recordings

Testing

• Changes tested locally in the relevant Console's pages and Storybooks
• yarn test or yarn test -u (if you need to regenerate snapshots)
• yarn format
• yarn lint

PR Checklist

• I followed naming, styling, and TypeScript rules (see .cursor/rules)
• I performed a self-review (diff inspected, dead code removed)
• I titled the PR using Conventional Commits with a scope when possible (e.g. feat(service): add new Terraform service) - required for semantic-release
• I only kept necessary comments, written in English (watch for useless AI comments)
• I involved a designer to validate UI changes if I am not a designer
• I covered new business logic with tests (unit)
• I confirmed CI is green (Codecov red can be accepted)
• I reviewed and executed locally any AI-assisted code

[RemiBonnet]

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 46.81%. Comparing base (b1b3137) to head (40107cf).
⚠️ Report is 3 commits behind head on staging.

Additional details and impacted files

@@             Coverage Diff             @@
##           staging    #2328      +/-   ##
===========================================
- Coverage    47.73%   46.81%   -0.93%     
===========================================
  Files         1254      149    -1105     
  Lines        22717     3559   -19158     
  Branches      6635     1087    -5548     
===========================================
- Hits         10844     1666    -9178     
+ Misses        9808     1532    -8276     
+ Partials      2065      361    -1704     

Flag	Coverage Δ
unittests	46.81% <ø> (-0.93%)	⬇️

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[RemiBonnet]

🎉 This PR is included in version 1.271.0 🎉

The release is available on GitHub release

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