调整draggable的区域，鼠标移动到draggable的区域时，指针调整为移动的icon

src/app/OlMap/Controls/HistoryDataPanel.tsx

@@ -776,7 +776,7 @@ const SCADADataPanel: React.FC<SCADADataPanelProps> = ({
   return (
     <>
       {/* 主面板 */}
-      <Draggable nodeRef={draggableRef}>
+      <Draggable nodeRef={draggableRef} handle=".drag-handle">
         <Box
           ref={draggableRef}
           sx={{
@@ -811,12 +811,14 @@ const SCADADataPanel: React.FC<SCADADataPanelProps> = ({
           >
             {/* Header */}
             <Box
+              className="drag-handle"
               sx={{
                 p: 2,
                 borderBottom: 1,
                 borderColor: "divider",
                 backgroundColor: "primary.main",
                 color: "primary.contrastText",
+                cursor: "move",
               }}
             >
               <Stack