fix: 企业小程序数据统计页面优化图表显示

- 隐藏饼图（年龄分布）和环形图（在职状态统计）的标签线，避免移动端文字被截断
- 在职状态统计图例将已离职适配显示为离职

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

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

@@ -388,7 +388,7 @@ const Statistics: React.FC<StatisticsProps> = () => {
               }
             },
             label: {
-              formatter: '{b}: {c}'
+              show: false
             }
           }]
         }}
@@ -421,7 +421,7 @@ const Statistics: React.FC<StatisticsProps> = () => {
             radius: ['40%', '70%'],
             center: ['35%', '50%'],
             data: stats.map(item => ({
-              name: item.key,
+              name: item.key === '已离职' ? '离职' : item.key,
               value: Math.round(item.value || 0)
             })),
             emphasis: {
@@ -432,7 +432,7 @@ const Statistics: React.FC<StatisticsProps> = () => {
               }
             },
             label: {
-              formatter: '{b}: {c}'
+              show: false
             }
           }]
         }}