chore(SelectCustom): add preset for empty option

src/runtime/components/forms/SelectCustom.vue

@@ -63,14 +63,16 @@
           <ComboboxOption v-if="queryOption" v-slot="{ active, selected }" :value="queryOption" as="template">
             <li :class="resolveOptionClass({ active, selected })">
               <div :class="listOptionContainerClass">
-                <slot name="option" :option="queryOption" :active="active" :selected="selected">
+                <slot name="option-create" :option="queryOption" :active="active" :selected="selected">
                   <span class="block truncate">Create "{{ queryOption[textAttribute] }}"</span>
                 </slot>
               </div>
             </li>
           </ComboboxOption>
-          <p v-else-if="searchable && query" class="text-sm u-text-gray-400 px-4 py-2">
+          <p v-else-if="searchable && query" :class="listOptionEmptyClass">
-            No results found for "{{ query }}".
+            <slot name="option-empty" :query="query">
+              No results found for "{{ query }}".
+            </slot>
           </p>
         </ComboboxOptions>
       </transition>
@@ -212,6 +214,10 @@ const props = defineProps({
     type: String,
     default: () => $ui.selectCustom.list.option.disabled
   },
+  listOptionEmptyClass: {
+    type: String,
+    default: () => $ui.selectCustom.list.option.empty
+  },
   listOptionIcon: {
     type: String,
     default: () => 'heroicons-solid:check'

src/runtime/presets/default.ts

@@ -202,6 +202,7 @@ export default (variantColors: string[]) => {
         selected: 'font-semibold',
         unselected: 'font-normal',
         disabled: 'cursor-not-allowed opacity-50',
+        empty: 'text-sm u-text-gray-400 px-4 py-2',
         icon: {
           base: 'absolute inset-y-0 right-0 flex items-center pr-4',
           active: 'text-white',