feat: add contractId to EndpointDataReference

[bscholtes1A]

What this PR changes/adds

Duplicate the content of the cid claim in the access token generated for accessing the Data Plane into a dedicated field of EndpointDataReference.

Why it does that

Prevent collision in the access token if cid claim is already taken.

Linked Issue(s)

Closes #3477

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[codecov-commenter]

Codecov Report

Attention: 3 lines in your changes are missing coverage. Please review.

Comparison is base (12f1275) 72.24% compared to head (e102ce4) 72.38%.

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Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3539      +/-   ##
==========================================
+ Coverage   72.24%   72.38%   +0.13%     
==========================================
  Files         863      863              
  Lines       17306    17310       +4     
  Branches      986      986              
==========================================
+ Hits        12502    12529      +27     
+ Misses       4392     4369      -23     
  Partials      412      412              

Files	Coverage Δ
...DataAddressToEndpointDataReferenceTransformer.java	83.33% <100.00%> (+0.98%)	⬆️
...lane/proxy/ConsumerPullDataPlaneProxyResolver.java	100.00% <100.00%> (ø)
...dc/spi/types/domain/edr/EndpointDataReference.java	71.42% <85.71%> (+71.42%)	⬆️

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