feat(dsp): new event dispatch on state changes

[ndr-brt]

What this PR changes/adds

Add missing event dispatch on state changes

Why it does that

dataspace protocol implementation

Further notes

• renamed transition methods on ContractNegotiation and TransferProcess to match with the actual DSP states
• introduced parameterized tests for dispatch failure both for CN and TP managers. This cleaned up the test classes a lot.

Linked Issue(s)

Closes #2603

Checklist

• added appropriate tests?
• performed checkstyle check locally?
• added/updated copyright headers?
• documented public classes/methods?
• added/updated relevant documentation?
• assigned appropriate label? (exclude from changelog with label no-changelog)
• formatted title correctly? (take a look at the CONTRIBUTING and Etiquette for pull requests for details)

[codecov-commenter]

Codecov Report

Patch coverage: 73.82% and project coverage change: -0.09 ⚠️

Comparison is base (8a34f0a) 64.52% compared to head (753751d) 64.43%.

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Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2622      +/-   ##
==========================================
- Coverage   64.52%   64.43%   -0.09%     
==========================================
  Files         891      894       +3     
  Lines       18276    18302      +26     
  Branches     1087     1084       -3     
==========================================
+ Hits        11792    11793       +1     
- Misses       6050     6080      +30     
+ Partials      434      429       -5     

Impacted Files	Coverage Δ
...act/listener/ContractNegotiationEventListener.java	6.66% <0.00%> (-1.34%)	⬇️
...tractnegotiation/ContractNegotiationConfirmed.java	100.00% <ø> (ø)
...gotiation/ContractNegotiationConsumerVerified.java	0.00% <0.00%> (ø)
...ntractnegotiation/ContractNegotiationDeclined.java	100.00% <ø> (ø)
...contractnegotiation/ContractNegotiationFailed.java	100.00% <ø> (ø)
...negotiation/ContractNegotiationProviderAgreed.java	0.00% <0.00%> (ø)
...otiation/ContractNegotiationProviderFinalized.java	0.00% <0.00%> (ø)
...gotiation/observe/ContractNegotiationListener.java	0.00% <0.00%> (ø)
...act/spi/types/negotiation/ContractNegotiation.java	0.00% <0.00%> (ø)
...r/transfer/process/TransferProcessManagerImpl.java	87.69% <86.20%> (-0.64%)	⬇️
... and 7 more

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