Enhance search and ordering fields across remaining REST API endpoints

[bhumin18]

Summary

This PR improves search and ordering capabilities across remaining REST API endpoints:

1. machine/api.py (MachineList - /api/machine/):

   • Add machine_type and driver to search_fields = ['name', 'machine_type', 'driver'].

2. stock/api.py:

   • StockLocationTypeList (/api/stock/location-type/): Add description to search_fields = ['name', 'description'].
   • StockTrackingList (/api/stock/track/): Add tracking user (user__username, user__first_name, user__last_name), title, and stock item details (item__part__name, item__part__IPN, item__serial) to search_fields.

3. importer/api.py:

   • DataImportSessionList (/api/importer/session/): Add missing search_fields = ['model_type', 'user__username', 'user__first_name', 'user__last_name'].
   • DataImportColumnMappingList (/api/importer/column-mapping/): Add missing search_fields = ['column_label', 'field_name'] and ordering_fields = ['column_label', 'field_name', 'session'].

4. report/api.py (ReportAssetList - /api/report/asset/):

   • Add filter_backends = SEARCH_ORDER_FILTER, search_fields = ['description'], and ordering_fields = ['description'].

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@@            Coverage Diff             @@
##           master   #12737      +/-   ##
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  Branches    11524    11612      +88     
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- Hits        88228    88211      -17     
- Misses      12916    12938      +22     
  Partials       62       62              

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[SchrodingersGat]

I would like to take a step back and consider how adding all these additional search fields will impact search performance. We already see search performance degrading on installs with very large data sets - additional search fields only make this take more time

[bhumin18]

Hi @SchrodingersGat, thank you for the feedback. That makes complete sense regarding search performance on large datasets.

I have updated the PR to address this:

1. StockTrackingList: Reverted search_fields back to ['notes'] to completely eliminate heavy multi-table foreign-key joins (part__*, user__*, item__*) on the high-volume tracking table.
2. DataImportSessionList: Removed user__* joined search fields.
3. Kept only lightweight direct text fields on small configuration/metadata endpoints (MachineList, ReportAssetList, StockLocationTypeList, DataImportColumnMappingList).

Also merged latest master and resolved the conflict in api_version.py (bumped to 543).