app/components/themes/create-record/template.hbs
<div class="row">
<form class="col s12">
<div class="row">
<div class="input-field col s12">
{{#power-select selected=selected searchField="prefLabel"
searchPlaceholder="Find a theme or create one"
search=(action 'search')
onchange=(action 'handleChange')
as |option|}}
{{#if option.id}}
{{option.prefLabel}}
{{else}}
<em>Create theme <ins>{{option.prefLabel}}</ins></em>
{{/if}}
{{/power-select}}
</div>
</div>
<div class="row">
<div class="waves-effect waves-light btn" {{action "save"}}>
Save
</div>
</div>
</form>
</div>