Fix server_storage_list_item.dart colors and text

lib/ui/components/brand_divider/brand_divider.dart

@@ -1,5 +1,4 @@
 import 'package:flutter/material.dart';
-import 'package:selfprivacy/config/brand_colors.dart';
 
 class BrandDivider extends StatelessWidget {
   const BrandDivider({final super.key});
@@ -8,6 +7,6 @@ class BrandDivider extends StatelessWidget {
   Widget build(final BuildContext context) => Container(
         width: double.infinity,
         height: 1,
-        color: BrandColors.dividerColor,
+        color: Theme.of(context).colorScheme.onSurface.withAlpha(30),
       );
 }

lib/ui/pages/server_storage/server_storage_list_item.dart

@@ -28,10 +28,10 @@ class ServerStorageListItem extends StatelessWidget {
     return Row(
       children: [
         if (showIcon)
-          const Icon(
+          Icon(
             Icons.storage_outlined,
             size: 24,
-            color: Colors.white,
+            color: Theme.of(context).colorScheme.onBackground,
           ),
         if (showIcon) const SizedBox(width: 16),
         Expanded(
@@ -60,7 +60,7 @@ class ServerStorageListItem extends StatelessWidget {
                 'providers.storage.disk_total'.tr(
                   args: [
                     volume.sizeTotal.toString(),
-                    volume.name,
+                    volume.displayName,
                   ],
                 ),
                 style: subtitleStyle,