Preserve three-decimal utility meter values

[mihape]

Summary

• split utilities numeric parsing between currency-like values and meter/rate values
• preserve three-decimal meter readings and rates such as 123.456 and 36.386
• keep currency-like values such as 225.000 parsed as 225000
• document the fix in the Unreleased changelog

Tests

• node --check src/modules/utilities/utilities.module.js
• git diff --check
• targeted utilities parser smoke test for money thousands, meter three-decimal values, comma decimals, and negative clamps

Closes #39

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