Replace javascript logic with hotwire. Also hide district dropdown on

home page if there is only one district.

app/javascript/controllers/form_controller.js

@@ -0,0 +1,13 @@
+import { Controller } from "@hotwired/stimulus"
+import debounce from "debounce";
+
+// Connects to data-controller="form"
+export default class extends Controller {
+  initialize() {
+    this.submit = debounce(this.submit.bind(this), 300)
+  }
+
+  submit() {
+    this.element.requestSubmit();
+  }
+}