fix(cornerstone-dicom-sr): Freehand SR hydration support

[igoroctaviano]

• Related PR: https://github.com/OHIF/Viewers/pull/3996
• Optional: https://github.com/dcmjs-org/dcmjs/pull/386

Context

The Freehand ROI annotation SR hydration was not working for both SR and Cornerstone viewports

Changes & Results

• Freehand ROI SRs are created and hydrated properly in OHIF

Testing

• Link to OHIF locally and create/load a Freehand ROI SR

PR

• [x] My Pull Request title is descriptive, accurate and follows the semantic-release format and guidelines.

Code

N/A

Public Documentation Updates

N/A

Tested Environment

• [x] "OS: 14.4.1 (23E224)
• [x] "Node version: 16.14
• [x] "Browser: Chrome Version 123.0.6312.59 (Official Build) (x86_64)