feat(App): add global portal prop (#3688)

Co-authored-by: Benjamin Canac <canacb1@gmail.com>

src/runtime/components/InputMenu.vue

@@ -86,7 +86,7 @@ export interface InputMenuProps<T extends ArrayOrNested<InputMenuItem> = ArrayOr
    * Render the menu in a portal.
    * @defaultValue true
    */
-  portal?: boolean
+  portal?: boolean | string | HTMLElement
   /**
    * When `items` is an array of objects, select the field to use as the value instead of the object itself.
    * @defaultValue undefined
@@ -177,6 +177,7 @@ import { useButtonGroup } from '../composables/useButtonGroup'
 import { useComponentIcons } from '../composables/useComponentIcons'
 import { useFormField } from '../composables/useFormField'
 import { useLocale } from '../composables/useLocale'
+import { usePortal } from '../composables/usePortal'
 import { compare, get, isArrayOfArray } from '../utils'
 import { tv } from '../utils/tv'
 import UIcon from './Icon.vue'
@@ -203,6 +204,7 @@ const appConfig = useAppConfig() as InputMenu['AppConfig']
 const { contains } = useFilter({ sensitivity: 'base' })
 
 const rootProps = useForwardPropsEmits(reactivePick(props, 'as', 'modelValue', 'defaultValue', 'open', 'defaultOpen', 'required', 'multiple', 'resetSearchTermOnBlur', 'resetSearchTermOnSelect', 'highlightOnHover', 'ignoreFilter'), emits)
+const portalProps = usePortal(toRef(() => props.portal))
 const contentProps = toRef(() => defu(props.content, { side: 'bottom', sideOffset: 8, collisionPadding: 8, position: 'popper' }) as ComboboxContentProps)
 const arrowProps = toRef(() => props.arrow as ComboboxArrowProps)
 
@@ -474,7 +476,7 @@ defineExpose({
       </ComboboxTrigger>
     </ComboboxAnchor>
 
-    <ComboboxPortal :disabled="!portal">
+    <ComboboxPortal v-bind="portalProps">
       <ComboboxContent :class="ui.content({ class: props.ui?.content })" v-bind="contentProps">
         <ComboboxEmpty :class="ui.empty({ class: props.ui?.empty })">
           <slot name="empty" :search-term="searchTerm">