fix(ticket): 修复库存输入验证时机问题

- 在库存输入框中添加 validate-event 控制验证时机
- 避免初始化时触发不必要的表单验证
- 提升用户体验，减少误报错提示

src/views/ticketManagement/newVoucher.vue

@@ -174,7 +174,13 @@
           <div class="model">
             <h3 style="font-weight: bold">库存：</h3>
             <el-form-item label="库存(张)" prop="singleQty">
-              <el-input v-model="voucherModel.singleQty" maxlength="15" placeholder="请输入" clearable />
+              <el-input
+                v-model="voucherModel.singleQty"
+                maxlength="15"
+                placeholder="请输入"
+                clearable
+                :validate-event="!isInitializing"
+              />
             </el-form-item>
           </div>
           <!-- 使用规则模块 -->