修复代码错误；修复属性查询无时间轴情况下也能查询的问题；修复工具栏定位错误的问题

src/app/(main)/network-simulation/page.tsx

@@ -77,9 +77,9 @@ export default function Home() {
   return (
     <div className="relative w-full h-full overflow-hidden">
       <MapComponent>
+        <MapToolbar />
         <div className="absolute bottom-4 left-1/2 -translate-x-1/2 z-10 w-[800px] opacity-90 hover:opacity-100 transition-opacity duration-300">
           <Timeline />
-          <MapToolbar />
         </div>
       </MapComponent>
       <SCADADeviceList