Fixed NPE when packaging a measure with an unresolvable primary library reference

[brynrhodes]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 57.14286% with 6 lines in your changes missing coverage. Please review.
✅ Project coverage is 19.86%. Comparing base (9b02acb) to head (14ee75c).

Files with missing lines	Patch %	Lines
...ava/org/opencds/cqf/tooling/packaging/Package.java	50.00%	1 Missing and 3 partials ⚠️
...encds/cqf/tooling/packaging/r4/PackageMeasure.java	66.66%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #588      +/-   ##
============================================
- Coverage     19.87%   19.86%   -0.01%     
- Complexity     1651     1652       +1     
============================================
  Files           310      310              
  Lines         27302    27307       +5     
  Branches       4327     4331       +4     
============================================
- Hits           5425     5424       -1     
- Misses        20972    20975       +3     
- Partials        905      908       +3     

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[raleigh-g-thompson]

Maybe the code in the resolvePrimaryLibraryDependencies function works as expected, but not clear from the code the exact intent of this logic with regards to the local primaryLibrary and the instance's primaryLibrary value.

[raleigh-g-thompson]

Discussed implementation with Bryn and will accept current changes.