feat(SelectMenu): allow control of search query

Resolves #1174

docs/components/content/examples/SelectMenuExampleSearchQuery.vue

@@ -0,0 +1,16 @@
+<script setup>
+const people = ['Wade Cooper', 'Arlene Mccoy', 'Devon Webb', 'Tom Cook', 'Tanya Fox', 'Hellen Schmidt', 'Caroline Schultz', 'Mason Heaney', 'Claudie Smitham', 'Emil Schaefer']
+
+const selected = ref()
+const query = ref('Wade')
+</script>
+
+<template>
+  <USelectMenu
+    v-model="selected"
+    v-model:query="query"
+    :options="people"
+    placeholder="Select a person"
+    searchable
+  />
+</template>