fix(widgets): isolate autocomplete text cleanup

vue-widgets/src/vue-widget-cleanup.ts

@@ -0,0 +1,15 @@
+import type { App as VueApp } from 'vue'
+
+export function createVueWidgetCleanup(vueApp: VueApp, onCleanup?: () => void) {
+  let didUnmount = false
+
+  return () => {
+    if (didUnmount) {
+      return
+    }
+
+    vueApp.unmount()
+    didUnmount = true
+    onCleanup?.()
+  }
+}