fix(mpr): Return the original/raw hanging protocol when fetching and preserving the current active protocol.

[jbocce]

Context

Fixes #3665

Changes & Results

Return the original/raw hanging protocol when fetching and preserving the current active protocol.

Testing

See #3665

Checklist

PR

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

Code

• My code has been well-documented (function documentation, inline comments,
  etc.)

Public Documentation Updates

• The documentation page has been updated as necessary for any public API
  additions or removals.

Tested Environment

• OS: Windows 11
• Node version: 16.14.0
• Browser: Chrome: 117.0.5938.89

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[codecov]

Codecov Report

Merging #3670 (823e572) into master (d609ae1) will not change coverage.
Report is 2 commits behind head on master.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3670   +/-   ##
=======================================
  Coverage   46.23%   46.23%           
=======================================
  Files          78       78           
  Lines        1276     1276           
  Branches      312      312           
=======================================
  Hits          590      590           
  Misses        548      548           
  Partials      138      138           

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[sedghi]

I'm not sure how this solves the issue (I couldn't fine other _originalProtocol that is relevant in this context) but it solves the issue, great job

[jbocce]

I'm not sure how this solves the issue (I couldn't fine other _originalProtocol that is relevant in this context) but it solves the issue, great job

Thanks. I can try to answer that... HangingProtocolService._setProtocol is called to change to mpr. But for the localizer case an error is thrown and caught on line 968. An Object.assign(...) is used to restore the service state when the error occurs which now includes _originalProtocol but it didn't before my change.