Error Checkout Manager for WooCommerce

Checkout Manager for WooCommerce

When I create a field and Edit field
And the work of Type is select
and set options values
The customer cannot search for options.
Only the drop down menu is opened but the search option is not there

How can I activate the search option in the drop-down list?
So that the customer can search for the available options, especially since the list of options is very large

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