渲染开关样式修改

src/views/cameras/preview/components/RenderSwitch/RenderSwitch.vue

@@ -1,7 +1,7 @@
 <template>
-  <div style="margin-left: 8px; display: flex" v-if="!!cameraDetailStore.detail">
+  <div style="margin-left: 8px; display: flex" v-if="cameraDetailStore.detail">
     <div style="margin-top: 5px; margin-right: 4px">渲染开关</div>
-    <ElSelect v-model="selectedIds" @change="changeRender">
+    <ElSelect v-model="selectedIds" @change="changeRender" style="width: 150px">
       <ElOption value="" label="无渲染">无渲染</ElOption>
       <ElOption value="demo" label="有渲染">有渲染</ElOption>
       <!-- <ElOption v-for="item in allAlgoList" :key="item.id" :value="item.id" :label="item.name">