feat(dsp): implement transfer resumption

[ndr-brt]

What this PR changes/adds

Permit to resume a SUSPENDED transfer.
For doing that, in the case is the consumer that resume the transfer, I had to add a new RESUMED state, that represent the moment in which the consumer send the TransferStartMessage to the provider and it's waiting for the TransferStartMessage back from the provider (necessary because in the case of "pull" transfer it will contain the EDR")
The specification does not list a "resume" message so this was the chosen way to do that.

Why it does that

Briefly state why the change was necessary.

Further notes

List other areas of code that have changed but are not necessarily linked to the main feature. This could be method
signature changes, package declarations, bugs that were encountered and were fixed inline, etc.

Linked Issue(s)

Closes #3350

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[codecov-commenter]

Codecov Report

Attention: Patch coverage is 87.80488% with 5 lines in your changes are missing coverage. Please review.

Project coverage is 74.08%. Comparing base (7f20ba5) to head (362a353).
Report is 159 commits behind head on main.

Files	Patch %	Lines
.../connector/transfer/spi/types/TransferProcess.java	60.00%	2 Missing ⚠️
...nsfer/spi/types/command/ResumeTransferCommand.java	0.00%	2 Missing ⚠️
...ctor/transfer/TransferProcessCommandExtension.java	0.00%	1 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4027      +/-   ##
==========================================
+ Coverage   71.74%   74.08%   +2.33%     
==========================================
  Files         919      990      +71     
  Lines       18457    20085    +1628     
  Branches     1037     1127      +90     
==========================================
+ Hits        13242    14880    +1638     
+ Misses       4756     4724      -32     
- Partials      459      481      +22     

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[paullatzelsperger]

Maybe consider RESUMING instead of RESUMED, LGTM otherwise!