fix(Divider):优化 gutter属性不生效问题 (#323)

Co-authored-by: 杨楠 <[email protected]>

Author: Amber-Nan

example/examples/src/routes/Divider/index.tsx

@@ -24,7 +24,7 @@ export default class DividerView extends React.Component<DividerViewProps> {
               <Text>分割线</Text>
               <Divider label="暂无数据" />
               <Text>分割线</Text>
-              <Divider />
+              <Divider label="调整间隔" gutter={30} />
               <Text>分割线</Text>
             </Card>
             <Card title="纵向分割线">

packages/core/src/Divider/index.tsx

@@ -79,13 +79,11 @@ const styles = StyleSheet.create({
     height: 1,
     minHeight: 1,
     minWidth: 16,
-    marginHorizontal: 8,
   },
   lineVertical: {
     width: 1,
     minHeight: 16,
     minWidth: 1,
-    marginVertical: 8,
   },
   label: {
     color: 'rgba(0, 0, 0, 0.54)',