采购订单齐套性检查优化：将供应商缺失提示从$alert改为$confirm，完善下发确认交互逻辑

src/BIZComponents/homogeneityInspect/orderHomogeneityInspectDialog.vue

@@ -281,19 +281,17 @@
           }
         });
         if (productData.length) {
-          this.$alert(
+          this.$confirm(
             `物料${productData.join(',')}没有维护供应商，${
               productData.length > 1 ? '会合并下发为一个采购订单，' : ''
             }是否继续下发！`,
             {
-              confirmButtonText: '确定',
-              callback: (action) => {
-                if (action == 'confirm') {
-                  this.issuePurchaseOrderFn();
-                }
-              }
+              confirmButtonText: '是',
+              cancelButtonText: '否'
             }
-          );
+          ).then(() => {
+            this.issuePurchaseOrderFn();
+          });
         } else {
           this.issuePurchaseOrderFn();
         }