fix : some bug

packages/core/lib/presentation/widget/base_page/widgets/breadcrumb.dart

@@ -107,3 +107,44 @@ class ContainerBreadcrumb extends Breadcrumb {
     );
   }
 }
+
+/*
+class _TriangleClipper extends CustomClipper<Path> {
+  final bool isFirst;
+  final bool isLast;
+
+  _TriangleClipper({required this.isFirst, required this.isLast});
+
+  @override
+  Path getClip(Size size) {
+    final Path path = Path();
+
+    if (isFirst) {
+      path.moveTo(20, 0);
+      path.lineTo(size.width, 0);
+      path.lineTo(size.width, size.height);
+      path.lineTo(20, size.height);
+    } else {
+      path.moveTo(20, 0);
+      path.lineTo(size.width, 0);
+      path.lineTo(size.width - 20, size.height / 2);
+      path.lineTo(size.width, size.height);
+      path.lineTo(20, size.height);
+    }
+
+    if (isLast) {
+      path.moveTo(0, 0);
+      path.lineTo(0, size.height);
+    } else {
+      path.moveTo(20, 0);
+      path.lineTo(0, size.height / 2);
+      path.lineTo(20, size.height);
+    }
+    return path;
+  }
+
+  @override
+  bool shouldReclip(CustomClipper<Path> oldClipper) {
+    return true;
+  }
+}*/