fix(oracle-fusion): use shared record utility in request serializer

Author: Bill Leoutsakos

apps/sim/lib/internal/oracle-fusion/request-body.ts

@@ -1,3 +1,4 @@
+import { isRecordLike } from '@sim/utils/object'
 import { MAX_INLINE_MATERIALIZATION_BYTES } from '@/lib/execution/payloads/limits'
 
 const MAX_JSON_NESTING_DEPTH = 100
@@ -170,10 +171,6 @@ function serializeJsonBodyWithinLimit(body: unknown): JsonBudgetState {
   return state
 }
 
-function isRecordLike(value: unknown): value is Record<string, unknown> {
-  return typeof value === 'object' && value !== null && !Array.isArray(value)
-}
-
 function rejectInheritedJsonSerialization(prototype: object | null): void {
   for (let candidate = prototype; candidate; candidate = Object.getPrototypeOf(candidate)) {
     if (Object.hasOwn(candidate, 'toJSON')) throwNonPlainJsonError()