feat: enhance UI and functionality across components

- Added Google Fonts preconnect and stylesheet link in `index.html` for improved typography.
- Updated version in `package.json` to `4.9.9alpha3`.
- Refined launch configuration by removing deprecated arguments.
- Improved app detail modal and card components for better accessibility and visual consistency.
- Enhanced download queue and sidebar components with updated styles and functionality.
- Implemented new utility classes for better styling control in CSS.
- Adjusted various components for improved responsiveness and user experience.

index.html

@@ -4,6 +4,9 @@
     <meta charset="UTF-8" />
     <link rel="icon" type="image/svg+xml" href="/spark-store.svg" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <link rel="preconnect" href="https://fonts.googleapis.com" />
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
+    <link href="https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap" rel="stylesheet" />
     <meta http-equiv="Content-Security-Policy" content="script-src 'self' 'unsafe-inline';" />
     <title>星火应用商店</title>
   </head>