fix react select

Author: bluebill1049

src/index.tsx

@@ -3,7 +3,8 @@ import { useFormContext } from 'react-hook-form';
 import { Props, EventFunction } from './types';
 
 function getValue(target: any, { isCheckbox }: { isCheckbox: boolean }) {
-  if (Array.isArray(target)) {
+  // the following logic is specific for react-select
+  if (Array.isArray(target) || (target.label && target.value)) {
     return target;
   }
   return target ? (isCheckbox ? target.checked : target.value) : target;