Show different roles CheckboxList for root admins and non root admins (#1219)

* show different roles checkbox list for root admins and non root admins

* simplify saveRelationshipsUsing

* remove disableOptionWhen

* add migration to remove additional roles from root admins

database/migrations/2025_04_07_062945_remove_additional_roles_of_root_admins.php

@@ -0,0 +1,27 @@
+<?php
+
+use App\Models\Role;
+use App\Models\User;
+use Illuminate\Database\Migrations\Migration;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        $rootAdmins = User::all()->filter(fn ($user) => $user->isRootAdmin());
+        foreach ($rootAdmins as $rootAdmin) {
+            $rootAdmin->syncRoles(Role::getRootAdmin());
+        }
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        // No going back
+    }
+};