#599 - Update UI profile model to allow support of multiple value sets

[michael-82]

• update AttributeDefinition to contain a List of referencedValueSets instead of just one
• updated ontology missing as of now

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.98%. Comparing base (0f97428) to head (e748a18).

Additional details and impacted files

@@              Coverage Diff              @@
##             develop     #600      +/-   ##
=============================================
+ Coverage      81.96%   81.98%   +0.01%     
- Complexity       764      766       +2     
=============================================
  Files            166      166              
  Lines           3006     3008       +2     
  Branches         298      300       +2     
=============================================
+ Hits            2464     2466       +2     
  Misses           429      429              
  Partials         113      113              

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