brush up p4b functions and export them

[jacobvjk]

relates to ADO tickets: 10829:10834

• updates format_p4b() and format_p4b_ei() for better legibility
• updates documentation of format_p4b() and format_p4b_ei() and exports them for use in other repos
• updates dictionary_p4i_p4b() to include recent scenario publications
• gains basic tests

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 16.79%. Comparing base (449448d) to head (4537f81).

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #59      +/-   ##
==========================================
+ Coverage   12.17%   16.79%   +4.61%     
==========================================
  Files          13       13              
  Lines        2028     2048      +20     
==========================================
+ Hits          247      344      +97     
+ Misses       1781     1704      -77     

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