Use fire() instead of dispatch()

Addresses Copilot's feedback

app/javascript/controllers/dispatch_event_controller.js

@@ -3,7 +3,7 @@ import { Controller } from "@hotwired/stimulus"
 export default class extends Controller {
   static values = { name: String }
 
-  dispatch() {
-    document.dispatchEvent(new CustomEvent(this.nameValue, { bubbles: true }))
+  fire() {
+    this.dispatch(this.nameValue, { target: document, prefix: false })
   }
 }