[Site] Refactor Translator page

* remove highlight
* remove big JS controller
* add block controller

-- WIP --

Author: smnandre

ux.symfony.com/assets/controllers/translator-demo-block-controller.js

@@ -0,0 +1,35 @@
+import { Controller } from '@hotwired/stimulus';
+
+import * as translator from '../translator.js';
+
+/* stimulusFetch: 'lazy' */
+export default class extends Controller {
+    static targets = [
+        'code',
+        'parameters',
+        'outputs',
+    ]
+
+    static values = {
+        message: String,
+    }
+
+    connect() {
+        this.render();
+    }
+
+    render() {
+        const parameters = new Map();
+        this.parametersTargets.forEach((target) => {
+            if (target.name.includes('date')) {
+                parameters.set(target.name, new Date(target.value));
+                return;
+            }
+            parameters.set(target.name, target.value);
+        });
+
+        this.outputsTargets.forEach((target) => {
+            target.textContent = translator.trans(translator[this.messageValue], Object.fromEntries(parameters), 'messages', target.dataset.locale);
+        });
+    }
+}