Bugfix: add metadata together with process initilization

[bekiroguz]

This pull request includes several changes to enhance metadata handling and improve code readability in the akka-runtime module. The most important changes include adding metadata support to the CreateProcess message and refactoring the bake method.
These changes collectively improve the handling of process metadata during initialize phase and enhance the readability and maintainability of the codebase.

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 93.10345% with 2 lines in your changes missing coverage. Please review.

Project coverage is 79.49%. Comparing base (4155717) to head (861f0ba).
Report is 5 commits behind head on master.

Files with missing lines	Patch %	Lines
...n/scala/com/ing/baker/runtime/akka/AkkaBaker.scala	88.88%	1 Missing ⚠️
...r/runtime/serialization/InteractionExecution.scala	0.00%	1 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1818      +/-   ##
==========================================
+ Coverage   79.42%   79.49%   +0.06%     
==========================================
  Files         144      144              
  Lines        5016     5032      +16     
  Branches      682      683       +1     
==========================================
+ Hits         3984     4000      +16     
  Misses       1032     1032              

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