Iron out quirks from navigating back and forth

app/javascript/controllers/filter_form_controller.js

@@ -1,16 +1,27 @@
 import { Controller } from "@hotwired/stimulus"
 
 export default class extends Controller {
+  static targets = [ "button" ]
+
+  connect() {
+    this.buttonTargets.forEach(button => this.#showButton(button))
+  }
+
   removeFilter(event) {
     event.preventDefault()
-    this.#removeButton(event.target.closest("button"))
+    this.#hideButton(event.target.closest("button"))
   }
 
   clearCategory({ params: { name } }) {
-    this.element.querySelectorAll(`input[name="${name}"]`).forEach(input => this.#removeButton(input.closest("button")))
+    this.element.querySelectorAll(`input[name="${name}"]`).forEach(input => this.#hideButton(input.closest("button")))
   }
 
-  #removeButton(button) {
+  #showButton(button) {
+    button.querySelector("input").disabled = false
+    button.hidden = false
+  }
+
+  #hideButton(button) {
     button.querySelector("input").disabled = true
     button.hidden = true
   }