perf: add truthProp util (#8522)

* perf: add TruthyProp util

* chore: rename

* chore: upd

src/checkbox/Checkbox.tsx

@@ -1,7 +1,7 @@
 import { computed, watch, defineComponent } from 'vue';
 
 // Utils
-import { createNamespace, extend, pick } from '../utils';
+import { createNamespace, extend, pick, truthProp } from '../utils';
 import {
   CHECKBOX_GROUP_KEY,
   CheckboxGroupProvide,
@@ -21,10 +21,7 @@ export default defineComponent({
   name,
 
   props: extend({}, checkerProps, {
-    bindGroup: {
-      type: Boolean,
-      default: true,
-    },
+    bindGroup: truthProp,
   }),
 
   emits: ['change', 'update:modelValue'],