refactor: reorganize all components (#8303)

src/action-bar-icon/ActionBarIcon.tsx

@@ -1,5 +1,6 @@
+import { defineComponent } from 'vue';
 import { createNamespace, UnknownProp } from '../utils';
-import { ACTION_BAR_KEY } from '../action-bar';
+import { ACTION_BAR_KEY } from '../action-bar/ActionBar';
 
 // Composables
 import { useParent } from '@vant/use';
@@ -9,9 +10,11 @@ import { useRoute, routeProps } from '../composables/use-route';
 import Icon from '../icon';
 import Badge from '../badge';
 
-const [createComponent, bem] = createNamespace('action-bar-icon');
+const [name, bem] = createNamespace('action-bar-icon');
+
+export default defineComponent({
+  name,
 
-export default createComponent({
   props: {
     ...routeProps,
     dot: Boolean,

src/action-bar-icon/index.ts

@@ -0,0 +1,7 @@
+import { installable } from '../utils';
+import _ActionBarIcon from './ActionBarIcon';
+
+const ActionBarIcon = installable(_ActionBarIcon);
+
+export default ActionBarIcon;
+export { ActionBarIcon };