Dynamically determine Account ID during transform

[kddejong]

Issue #, if available:
fix #3747
Description of changes:

• Dynamically determine Account ID during transform

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[codecov]

Codecov Report

Attention: Patch coverage is 87.50000% with 1 line in your changes missing coverage. Please review.

Project coverage is 93.74%. Comparing base (07652d4) to head (9c0de35).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...fnlint/template/transforms/_language_extensions.py	87.50%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3749      +/-   ##
==========================================
- Coverage   93.76%   93.74%   -0.02%     
==========================================
  Files         362      362              
  Lines       12341    12348       +7     
  Branches     2517     2520       +3     
==========================================
+ Hits        11571    11576       +5     
  Misses        430      430              
- Partials      340      342       +2     

Flag	Coverage Δ
unittests	93.70% <87.50%> (-0.02%)	⬇️

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