feat(project): add icons and improve persistent volume management

Add project icon storage and serving with local/S3 support, prevent deletion of compose-managed volumes, and optimize volume backups. Refine project and backup UI components with consistent styling and coverage.

tests/Feature/CopyButtonComponentTest.php

@@ -0,0 +1,16 @@
+<?php
+
+it('renders a reusable compact copy button', function () {
+    $html = $this->blade('<x-copy-button value="backup/path.sql" label="Copy backup path" />');
+
+    $html->assertSee('Copy backup path')
+        ->assertSee('backup\/path.sql', false)
+        ->assertSee('window.copyToClipboard', false)
+        ->assertSee('size-6', false);
+});
+
+it('uses the reusable copy button for database backup paths', function () {
+    $view = file_get_contents(resource_path('views/livewire/project/database/backup-executions.blade.php'));
+
+    expect($view)->toContain('<x-copy-button :value="data_get($execution, \'filename\', \'\')" label="Copy backup path" />');
+});