chore: Decouple core modules

[jimmarino]

Decouples:

• catalog-spi from control-plane:contract-spi
• control-plane-spi from web-spi

By moving ContractOffer and ContractAgreement from contract-spi to core-spi.

Linked Issue(s)

Closes #3585

[codecov-commenter]

Codecov Report

Attention: 2 lines in your changes are missing coverage. Please review.

Comparison is base (5dcd530) 72.24% compared to head (0819112) 4.77%.

❗ Current head 0819112 differs from pull request most recent head 8e688d8. Consider uploading reports for the commit 8e688d8 to get more accurate results

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Additional details and impacted files

@@             Coverage Diff              @@
##               main   #3586       +/-   ##
============================================
- Coverage     72.24%   4.77%   -67.47%     
- Complexity        0     243      +243     
============================================
  Files           893     893               
  Lines         17855   17855               
  Branches       1015    1015               
============================================
- Hits          12899     853    -12046     
- Misses         4518   16982    +12464     
+ Partials        438      20      -418     

Files	Coverage Δ
...ector/core/policy/ContractExpiryCheckFunction.java	0.00% <ø> (-77.28%)	⬇️
...iation/ConsumerContractNegotiationManagerImpl.java	0.00% <ø> (-100.00%)	⬇️
...iation/ProviderContractNegotiationManagerImpl.java	0.00% <ø> (-100.00%)	⬇️
...c/connector/contract/policy/PolicyArchiveImpl.java	0.00% <ø> (-100.00%)	⬇️
...ract/validation/ContractValidationServiceImpl.java	0.00% <ø> (-86.12%)	⬇️
...ontractagreement/ContractAgreementServiceImpl.java	0.00% <ø> (-84.62%)	⬇️
...actnegotiation/ContractNegotiationServiceImpl.java	0.00% <ø> (-100.00%)	⬇️
...tnegotiation/InMemoryContractNegotiationStore.java	0.00% <ø> (-88.89%)	⬇️
...licy/monitor/manager/PolicyMonitorManagerImpl.java	0.00% <ø> (-92.73%)	⬇️
...onObjectToContractAgreementMessageTransformer.java	0.00% <ø> (-62.50%)	⬇️
... and 20 more

... and 635 files with indirect coverage changes

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