perf: 新增单数据mock接口，优化漏斗图展示

src/views/chart/ContentConfigurations/components/ChartData/components/ChartDataRequest/components/RequestTargetConfig/index.vue

@@ -64,6 +64,7 @@ import { isDev } from '@/utils'
 import { icon } from '@/plugins'
 import {
   chartDataUrl,
+  chartSingleDataUrl,
   rankListUrl,
   scrollBoardUrl,
   numberFloatUrl,
@@ -82,6 +83,9 @@ const apiList = [
   {
     value: `【图表】${chartDataUrl}`
   },
+  {
+    value: `【单数据图表】${chartSingleDataUrl}`
+  },
   {
     value: `【文本】${textUrl}`
   },