fix: fix record array field value to be properly exported

Author: david-roper

packages/schemas/src/instrument/instrument.base.ts

@@ -92,7 +92,10 @@ const $UnilingualInstrumentDetails = $InstrumentDetails.extend({
 
 const $InstrumentMeasureVisibility: z.ZodType<InstrumentMeasureVisibility> = z.enum(['hidden', 'visible']);
 
-const $RecordArrayFieldValue = z.union([z.string(), z.boolean(), z.number(), z.date(), z.undefined()]);
+const $RecordArrayFieldValue = z.record(
+  z.string(),
+  z.union([z.string(), z.boolean(), z.number(), z.date(), z.undefined()])
+);
 
 const $InstrumentMeasureValue: z.ZodType<InstrumentMeasureValue> = z.union([
   z.string(),