fix: 下拉单选不支持彩色

package.json

 {
   "name": "panda-xform",
-  "version": "4.4.9",
-  "description": "4.4.9 暴露图片预览",
+  "version": "4.5.0",
+  "description": "4.5.0 下拉单选不支持彩色",
   "keywords": [
     "panda-xform"
   ],

src/core/widgets/settings/groupSource/SimpleList/index.js

@@ -9,7 +9,7 @@ import { colors } from '../../../../../constant'
 const SimpleList = (props) => {
 
   const { value, onChange, addons } = props
-  const { color, isMultiple } = addons.formData
+  const { color, isMultiple, widget } = addons.formData
   const [visible, setVisible] = useState(false)
   const [text, setText] = useState('')
   const [loading, setLoading] = useState(true)
@@ -198,7 +198,7 @@ const SimpleList = (props) => {
         <div style={{ fontSize: '14px' }}>选项</div>
         <div style={{ fontSize: '12px' }}>
           <span style={{ paddingRight: '5px' }}>彩色</span>
-          <Switch disabled={!isMultiple} size='small' checked={color} onChange={switchChange} />
+          <Switch disabled={!isMultiple && widget === 'ComboBox'} size='small' checked={color} onChange={switchChange} />
         </div>
       </div>
       <div className={styles.box}>