feat: 添加卫星数量动态选择按钮，优化布局和交互

src/pages/Satellite/Cesium/index.page.vue

@@ -48,17 +48,28 @@ onBeforeUnmount(() => {
       v-if="spinning"
       class="z-101 absolute top-1/2 left-1/2 transform -translate-x-1/2 -translate-y-1/2"
     />
-    <SatelliteSelector class="z-100 absolute left-4 top-4" :viewer="viewer" :tle-list />
 
+    <div class="z-100 absolute left-4 top-4 flex flex-col gap-4">
+      <SatelliteSelector :viewer="viewer" :tle-list />
       <AButton
         @click="
           () => {
             tleList = TLE_LIST;
           }
         "
-      class="z-100 absolute left-4 top-15"
       >
         <template #icon> <ReloadOutlined /> </template>3 个卫星
       </AButton>
+
+      <AButton
+        @click="
+          () => {
+            tleList = TLE_LIST.splice(0, 2);
+          }
+        "
+      >
+        <template #icon> <ReloadOutlined /> </template>2 个卫星
+      </AButton>
+    </div>
   </div>
 </template>