fix: 修复小程序 ScrollView 中 echarts 图表不显示的问题

- 为所有 echarts 图表添加 isPage={false} 属性
- 解决图表嵌套在 ScrollView 中时 Canvas 无法初始化的问题

Generated with [Claude Code](https://claude.ai/code)
via [Happy](https://happy.engineering)

Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>

mini/src/pages/yongren/statistics/index.tsx

@@ -259,6 +259,7 @@ const Statistics: React.FC<StatisticsProps> = () => {
     return (
       <Echarts
         echarts={echarts}
+        isPage={false}
         option={{
           tooltip: {
             trigger: 'axis',
@@ -311,6 +312,7 @@ const Statistics: React.FC<StatisticsProps> = () => {
     return (
       <Echarts
         echarts={echarts}
+        isPage={false}
         option={{
           tooltip: {
             trigger: 'axis',
@@ -358,6 +360,7 @@ const Statistics: React.FC<StatisticsProps> = () => {
     return (
       <Echarts
         echarts={echarts}
+        isPage={false}
         option={{
           tooltip: {
             trigger: 'item',
@@ -401,6 +404,7 @@ const Statistics: React.FC<StatisticsProps> = () => {
     return (
       <Echarts
         echarts={echarts}
+        isPage={false}
         option={{
           tooltip: {
             trigger: 'item',