CSV importing and exporting fixes (#8824)

Fixes issue https://github.com/twentyhq/twenty/issues/5793 (and
duplicate https://github.com/twentyhq/twenty/issues/8822)

- Fix importing multi-select and array fields.
- Fix exporting and importing RAW_JSON fields.

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Co-authored-by: ad-elias <elias@autodiligence.com>

packages/twenty-front/src/modules/spreadsheet-import/utils/generateExampleRow.ts

@@ -3,6 +3,7 @@ import { Field, Fields } from '@/spreadsheet-import/types';
 const titleMap: Record<Field<string>['fieldType']['type'], string> = {
   checkbox: 'Boolean',
   select: 'Options',
+  multiSelect: 'Options',
   input: 'Text',
 };