app/views/rails_admin/main/_form_action_text.html.erb
<%
js_data = {
csspath: field.css_location,
jspath: field.js_location,
warn_dynamic_load: field.warn_dynamic_load
}
%>
<%= form.rich_text_area field.method_name, field.html_attributes.reverse_merge(data: { options: js_data.to_json }) %>