added feature of part-id in project bom view

[fsbrc]

Adds a new visible column part-id to the Project BOM overview

• The column displays the real Part database ID (Part::getId()), not the Project BOM entry ID
• Column is sortable via part.id

For BOM entries without a linked Part, the column remains empty
Trying to add #1161

[jbtronics]

thanks

[codecov]

Codecov Report

❌ Patch coverage is 88.88889% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 58.31%. Comparing base (98b8c5b) to head (6995c5a).
⚠️ Report is 9 commits behind head on master.

Files with missing lines	Patch %	Lines
src/DataTables/ProjectBomEntriesDataTable.php	88.88%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #1168      +/-   ##
============================================
- Coverage     58.31%   58.31%   -0.01%     
- Complexity     7294     7295       +1     
============================================
  Files           580      580              
  Lines         23207    23215       +8     
============================================
+ Hits          13534    13538       +4     
- Misses         9673     9677       +4     

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