refactor(jiesuan): 优化慢病提示对话框的文案

- 将"请选择诊断"修改为"请选择慢病病种"，使表述更加准确

src/views/jiesuan/outpatientCharging.vue

@@ -580,7 +580,7 @@
             </div>
         </div>
         <el-dialog title="慢病提示" :visible.sync="moreshow" width="40%" v-loading="moreLoading">
-            <div>  <span>请选择诊断</span><span style="color: red;">(默认选中为医生开单时病种信息,谨慎修改)</span></div>
+            <div>  <span>请选择慢病病种</span><span style="color: red;">(默认选中为医生开单时病种信息,谨慎修改)</span></div>
           
             <el-radio-group v-model="zhenduan" style="margin-top: 20px;">
                 <el-radio :label="item.code" v-for="item in moreshowdata.data.mzdbjbs_arr" :key="item.value">{{ item.name }}</el-radio>