fix(build-error): add core step id to the build error type and traces

[JGAntunes]

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Summary

Tiny follow up to - #5381

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[JGAntunes]

Based on:

• build/packages/build/src/steps/core_step.ts

  Lines 104 to 105 in 916a54c

  	// always add the current stage
  	addErrorInfo(newError, { stage: coreStepId })