Alan Agius 5990ed91cd fix(@angular-devkit/build-angular): improve sourcemap fidelity during code-coverage
We now pass the input sourcemap to istanbul babel plugin, since this is used directly by the instrumenter d58c92a7de/src/index.js (L126-L129) and is needed to remapped instrumented code back to the original source.

Previously, the lack of this caused incorrect reports of uncovered and coverage code and also incorrectly mappings in the HTML report.

Closes #22118
2021-11-09 11:08:03 -05:00
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