Fix SearchWithin label alignment in Form (#2180)

Author: snowystinger

packages/@react-spectrum/searchwithin/package.json

@@ -36,6 +36,7 @@
     "@react-aria/label": "^3.1.2",
     "@react-aria/utils": "^3.0.0",
     "@react-spectrum/label": "^3.3.3",
+    "@react-spectrum/form": "^3.2.2",
     "@react-spectrum/utils": "^3.0.0",
     "@react-types/searchwithin": "3.0.0-alpha.1",
     "@react-types/shared": "^3.0.0"

packages/@react-spectrum/searchwithin/src/SearchWithin.tsx

@@ -16,11 +16,13 @@ import {FocusableRef} from '@react-types/shared';
 import React, {useCallback, useLayoutEffect, useRef, useState} from 'react';
 import {SpectrumSearchWithinProps} from '@react-types/searchwithin';
 import styles from '@adobe/spectrum-css-temp/components/searchwithin/vars.css';
+import {useFormProps} from '@react-spectrum/form';
 import {useLabel} from '@react-aria/label';
 import {useProvider, useProviderProps} from '@react-spectrum/provider';
 
 function SearchWithin(props: SpectrumSearchWithinProps, ref: FocusableRef<HTMLElement>) {
   props = useProviderProps(props);
+  props = useFormProps(props);
   let {styleProps} = useStyleProps(props);
   let {labelProps, fieldProps} = useLabel(props);
   let {