Introduce importmap, enhance elimination workflows, and update assets

This commit adds initial importmap configuration to manage assets, updates the elimination preparation workflow with form enhancements and database changes, introduces new styles and JS assets, refines translations, and improves entity handling with an input bag update method.

importmap.php

@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * Returns the importmap for this application.
+ *
+ * - "path" is a path inside the asset mapper system. Use the
+ *     "debug:asset-map" command to see the full list of paths.
+ *
+ * - "entrypoint" (JavaScript only) set to true for any module that will
+ *     be used as an "entrypoint" (and passed to the importmap() Twig function).
+ *
+ * The "importmap:require" command can be used to add new entries to this file.
+ */
+return [
+    'quiz' => [
+        'path' => './assets/quiz.js',
+        'entrypoint' => true,
+    ],
+    'backoffice' => [
+        'path' => './assets/backoffice.js',
+        'entrypoint' => true,
+    ],
+    'bootstrap' => [
+        'version' => '5.3.6',
+    ],
+    '@popperjs/core' => [
+        'version' => '2.11.8',
+    ],
+    'bootstrap/dist/css/bootstrap.min.css' => [
+        'version' => '5.3.6',
+        'type' => 'css',
+    ],
+];