types(Picker): use tsx (#8137)

src/utils/deep-clone.ts

@@ -1,12 +1,12 @@
 import { deepAssign } from './deep-assign';
 
-export function deepClone(obj: Record<string, any>): Record<string, any> {
+export function deepClone<T extends Record<string, any>>(obj: T): T {
   if (Array.isArray(obj)) {
-    return obj.map((item) => deepClone(item));
+    return (obj.map((item) => deepClone(item)) as unknown) as T;
   }
 
   if (typeof obj === 'object') {
-    return deepAssign({}, obj);
+    return deepAssign({}, obj) as T;
   }
 
   return obj;