Updated import statement

Updated import statement as ComboBoxListItemPicker is exported through listItemPicker

Author: siddharth-vaghasia

docs/documentation/docs/controls/ComboBoxListItemPicker.md

@@ -18,7 +18,7 @@ Here is an example of the control:
 - Import the control into your component:
 
 ```TypeScript
-import { ComboBoxListItemPicker } from '@pnp/spfx-controls-react/lib/ComboBoxListItemPicker';
+import { ComboBoxListItemPicker } from '@pnp/spfx-controls-react/lib/listItemPicker';
 ```
 - Use the `ComboBoxListItemPicker` control in your code as follows: