chore: Follow up snackbar theme

lib/config/themes.dart

@@ -67,6 +67,7 @@ abstract class FluffyThemes {
       brightness: brightness,
       seedColor: seed ?? AppConfig.colorSchemeSeed ?? AppConfig.primaryColor,
     );
+    final isColumnMode = FluffyThemes.isColumnMode(context);
     return ThemeData(
       visualDensity: VisualDensity.standard,
       useMaterial3: true,
@@ -95,14 +96,11 @@ abstract class FluffyThemes {
         filled: false,
       ),
       appBarTheme: AppBarTheme(
-        toolbarHeight: FluffyThemes.isColumnMode(context) ? 72 : 56,
-        shadowColor: FluffyThemes.isColumnMode(context)
-            ? colorScheme.surfaceContainer.withAlpha(128)
-            : null,
-        surfaceTintColor:
-            FluffyThemes.isColumnMode(context) ? colorScheme.surface : null,
-        backgroundColor:
-            FluffyThemes.isColumnMode(context) ? colorScheme.surface : null,
+        toolbarHeight: isColumnMode ? 72 : 56,
+        shadowColor:
+            isColumnMode ? colorScheme.surfaceContainer.withAlpha(128) : null,
+        surfaceTintColor: isColumnMode ? colorScheme.surface : null,
+        backgroundColor: isColumnMode ? colorScheme.surface : null,
         systemOverlayStyle: SystemUiOverlayStyle(
           statusBarColor: Colors.transparent,
           statusBarIconBrightness: brightness.reversed,
@@ -123,9 +121,9 @@ abstract class FluffyThemes {
           ),
         ),
       ),
-      snackBarTheme: const SnackBarThemeData(
+      snackBarTheme: SnackBarThemeData(
         behavior: SnackBarBehavior.floating,
-        width: FluffyThemes.columnWidth * 1.5,
+        width: isColumnMode ? null : FluffyThemes.columnWidth * 1.5,
       ),
       elevatedButtonTheme: ElevatedButtonThemeData(
         style: ElevatedButton.styleFrom(