fix(Select): HiddenSelect Component Auto-Completion Issue (#7670)

* address autofill issue

* lint

* remove unnecessary change

* Update packages/@react-aria/select/src/HiddenSelect.tsx

Co-authored-by: Robert Snow <[email protected]>

* remove unnecessary variable declaration

---------

Co-authored-by: Robert Snow <[email protected]>
Co-authored-by: Reid Barber <[email protected]>

Author: 3 people

Diff for: packages/@react-aria/select/src/HiddenSelect.tsx

@@ -99,7 +99,7 @@ export function useHiddenSelect<T>(props: AriaHiddenSelectOptions, state: Select
       disabled: isDisabled,
       required: validationBehavior === 'native' && isRequired,
       name,
-      value: state.selectedKey ?? '',
+      value: state.selectedKey ?? undefined,
       onChange: (e: React.ChangeEvent<HTMLSelectElement>) => state.setSelectedKey(e.target.value)
     }
   };