chore: Try out CupertinoPage instead of custom transition in router

lib/config/routes.dart

@@ -381,16 +381,12 @@ abstract class AppRoutes {
   ];
 
   static Page defaultPageBuilder(BuildContext context, Widget child) =>
-      CustomTransitionPage(
+      FluffyThemes.isColumnMode(context)
-        child: child,
+          ? CustomTransitionPage(
-        transitionsBuilder: (context, animation, secondaryAnimation, child) =>
+              child: child,
-            FluffyThemes.isColumnMode(context)
+              transitionsBuilder:
-                ? FadeTransition(opacity: animation, child: child)
+                  (context, animation, secondaryAnimation, child) =>
-                : CupertinoPageTransition(
+                      FadeTransition(opacity: animation, child: child),
-                    primaryRouteAnimation: animation,
+            )
-                    secondaryRouteAnimation: secondaryAnimation,
+          : CupertinoPage(child: child);
-                    linearTransition: false,
-                    child: child,
-                  ),
-      );
 }