style(Editor/CanvasTool): 为编辑工具按钮添加指针样式

添加 cursor: pointer 样式以提升按钮的可交互性视觉反馈

src/views/Editor/CanvasTool/index.vue

@@ -433,6 +433,7 @@ const toggleNotesPanel = () => {
 
 .edit-tool-btn{
   color: #285cf5;
+  cursor: pointer;
 }
 
 @media screen and (width <= 1200px) {