8 – Show multi-value entity reference field in the node editing form as movable?

You can get the multiple values ​​entered in a table format with the option movable if you choose autocomplete widget for this field under Manage the form display for this type of content (do not the Autocomplete (style tags)).

If your field accepts an unlimited number of values, the widget will present a single, semi-automatic input field with a button. Add another article. As you add items, you can drag and drop to rearrange the order of values.

entity Reference Autocomplete Widget Unlimited Values

You can also get this reordering widget with the Inline Entity Form Widget (with the Inline Feature Module module added).