switch light theme: background & surface color

lib/theme.dart

@@ -46,8 +46,8 @@ class AppTheme {
     primaryVariant: Color(0xFFDFE3FF),
     secondary: Color(0xFFEFF3F3),
     secondaryVariant: Color(0xFFFAFBFB),
-    background: Colors.white,
-    surface: Color(0xFFF6F7F8),
+    background: Color(0xFFF6F7F8),
+    surface: Colors.white,
     onBackground: Color(0x0DFFFFFF),
     error: _lightFillColor,
     onError: _lightFillColor,

pubspec.lock

@@ -42,7 +42,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -732,7 +732,7 @@ packages:
       name: vm_service
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "7.2.0"
+    version: "7.3.0"
   web_socket_channel:
     dependency: "direct main"
     description: