Merge pull request #11038 from satlus/pwa-fix-linkrel

fixed manifest in app.html restoring PWA

src/app.html

@@ -7,7 +7,7 @@
 		<link rel="shortcut icon" href="/favicon/favicon.ico" />
 		<link rel="apple-touch-icon" sizes="180x180" href="/favicon/apple-touch-icon.png" />
 		<meta name="apple-mobile-web-app-title" content="Open WebUI" />
-		<link rel="manifest" href="/favicon/site.webmanifest" />
+		<link rel="manifest" href="/manifest.json" />
 		<meta
 			name="viewport"
 			content="width=device-width, initial-scale=1, maximum-scale=1, viewport-fit=cover"