WIP: surql mutation fixes

[lveillard]

:rocket:	This description was created by Ellipsis for commit 91ff6e42b7abc34ada1af8064bc29341e31cec84

fix: refine SurrealDB mutation handling and schema definition

Summary:

Refines SurrealDB mutation handling with improved filter parsing, type-specific value handling, schema definition, and updates for version 0.11.2.

Key points:

• Behavior:
  • filters.ts: Handle null values as NONE in buildSuqlFilter.
  • helpers.ts: Refactor sanitizeNameSurrealDB to use value instead of name.
  • values.ts: Introduce parseValueSurrealDB for type-specific value parsing.
  • define.ts: Use surrealDBtypeMap for type mapping; update bormDefine to return objects.
  • compute.ts: Enhance computeField to handle default values robustly.
  • helpers.ts: Improve enrichSchema to filter link fields correctly.
  • build.ts: Use parseValueSurrealDB in buildSURQLMutation.
  • parse.ts: Handle metadata correctly in parseSURQLMutation.
  • enrich.ts: Enrich filters recursively in enrichBQLQuery.
  • buildRefs.ts: Ensure correct query building in buildRefs.
• Misc:
  • Update changelog.md and package.json for version 0.11.2.
  • Rename parseFlexVal.ts to parsing/parseFlexVal.ts.

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