Allow measure developer to download unrounded data for QC

eTRM permutation data is rounded at the display and permutation download - some due to regulatory reasons (e.g., savings are reported at 3 sigfigs).

This makes it hard for a user to reproduce the calculation or QC. For example, the QC rule UES = UECBase - UECMeas is very difficult to QC with the current data availability since the rounding introduces precision errors (can be huge for large savings that are rounded to 3 sigfigs); the measure developers must self-verify whether the difference is actual data inconsistency or rounding error. Measure developers with an active open draft can download the individual value tables and get the unrounded numbers. Users can also get the unrounded numbers from the JSON file, but this process is not user-friendly, well-known, or intuitive.

Allow measure developers and measure reviewers to download/access unrounded permutation values to perform their QC.

Business rationale/requirement:

Improve the traceability and effectiveness of measure quality control by providing measure contributors measure-by-measure access to unrounded permutation data through downloads and other approved data-access methods.