Fix 4733 by fixing the ArrayField.onSelectChange function

Fixes #4733 by fixing how the `ArrayField.onSelectChange()` callback passes the path
- Updated `ArrayField` `onSelectChange` to not pass `name` in the `path` since the `ObjectField` will automatically add it
- Updated the `CHANGELOG.md` accordingly

Author: heath-freenome

packages/core/src/components/fields/ArrayField.tsx

@@ -418,9 +418,9 @@ class ArrayField<T = any, S extends StrictRJSFSchema = RJSFSchema, F extends For
 
   /** Callback handler used to change the value for a checkbox */
   onSelectChange = (value: any) => {
-    const { name, onChange, idSchema } = this.props;
+    const { onChange, idSchema } = this.props;
     // select change will pass the `path` array with the name
-    onChange(value, [name], undefined, idSchema && idSchema.$id);
+    onChange(value, [], undefined, idSchema && idSchema.$id);
   };
 
   /** Helper method to compute item UI schema for both normal and fixed arrays