Set a fixed width for the search input field in the easy-admin plugin to
enhance the consistency and readability of the search section. The update
modifies the easy-admin.js and public.css files to enforce the new styling.
Introduce the `laySearch` option to enable the search functionality on list
page search boxes. This improvement allows users to have a more intuitive
and interactive way of searching through the lists by providing a search
input alongside the dropdown options.
When the operat parameter passed to the easy-admin.js plugin is not an object,it previously caused a JavaScript error. This fix adds a check to ensure that operat is indeed an object before processing it, thus preventing the error.
