更新图例，处理小于零的异常数据显示

src/app/OlMap/Controls/StyleEditorPanel.tsx

@@ -438,7 +438,6 @@ const StyleEditorPanel: React.FC<StyleEditorPanelProps> = ({
     // 动态生成颜色条件表达式
     const generateColorConditions = (property: string): any[] => {
       const conditions: any[] = ["case"];
-
       for (let i = 0; i < breaks.length; i++) {
         // 添加条件：属性值 <= 当前断点
         conditions.push(["<=", ["get", property], breaks[i]]);