chore: prefer named exports (#8315)

* chore: prefer named exports

* chore: fix import

src/checkbox/Checker.tsx

@@ -1,6 +1,6 @@
 import { ref, computed, PropType, defineComponent } from 'vue';
 import { addUnit, UnknownProp } from '../utils';
-import Icon from '../icon';
+import { Icon } from '../icon';
 
 export type CheckerShape = 'square' | 'round';
 export type CheckerDirection = 'horizontal' | 'vertical';

src/checkbox/test/index.spec.ts

@@ -1,4 +1,4 @@
-import Checkbox from '..';
+import { Checkbox } from '..';
 import { mount } from '../../../test';
 
 test('should emit "update:modelValue" event when checkbox icon is clicked', async () => {