fix close buttons in modals

tests/Feature/ModalChromeTest.php

@@ -0,0 +1,18 @@
+<?php
+
+test('flux modals hide the built in top right close button', function () {
+    $modalDeclarations = collect([
+        resource_path('views/livewire/chat/conversation-details-panel.blade.php'),
+        resource_path('views/livewire/chat/conversation-list.blade.php'),
+        resource_path('views/livewire/settings/delete-user-form.blade.php'),
+        resource_path('views/livewire/settings/security.blade.php'),
+    ])->flatMap(function (string $path): array {
+        preg_match_all('/<flux:modal(?![\\w.-])(?:[^"\'>]|"[^"]*"|\'[^\']*\')*>/s', file_get_contents($path), $matches);
+
+        return $matches[0];
+    });
+
+    expect($modalDeclarations)->not->toBeEmpty();
+
+    $modalDeclarations->each(fn (string $declaration) => expect($declaration)->toContain(':closable="false"'));
+});