style(Editor): 为编辑工具按钮添加蓝色主题色

为编辑工具按钮添加蓝色主题色(#285cf5)以提升视觉一致性

src/views/Editor/CanvasTool/index.vue

@@ -431,6 +431,10 @@ const toggleNotesPanel = () => {
   }
 }
 
+.edit-tool-btn{
+  color: #285cf5;
+}
+
 @media screen and (width <= 1200px) {
   .right-handler .text {
     display: none;