Support LoadOptions DTOs in BulkLoader::load()

[roxblnfk]

🔍 What was changed

Added LoadOptions into BulkLoader interface and implementation

📝 Checklist

• How was this tested:
  • Tested manually
  • Unit tests added

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.82%. Comparing base (2e9463e) to head (e1abb4a).

Additional details and impacted files

@@            Coverage Diff            @@
##                2.x     #559   +/-   ##
=========================================
  Coverage     91.82%   91.82%           
  Complexity     1963     1963           
=========================================
  Files           131      131           
  Lines          5054     5054           
=========================================
  Hits           4641     4641           
  Misses          413      413           

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