fix(接口测试): 修复场景报告名称带特殊字符导出失败的缺陷

--bug=1020579 --user=王孝刚 [接口测试]
github#20205导出场景报告，格式为file，非pdf，手动改为.pdf后缀，可查看
https://www.tapd.cn/55049933/s/1313107

api-test/frontend/src/business/automation/report/ApiReportDetail.vue

@@ -695,6 +695,7 @@ export default {
       this.reportExportVisible = true;
       let reset = this.exportReportReset;
       let name = this.report.name;
+      name = this.encodeSearchKey(name);
       this.$nextTick(() => {
         setTimeout(() => {
           downloadPDF(document.getElementById('apiTestReport'), name || 'scenario-report');
@@ -702,6 +703,38 @@ export default {
         }, 5000);
       });
     },
+    // 对报告名称中的特殊字符进行编码
+    encodeSearchKey(key) {
+      const encodeArr = [
+        {
+          code: '%',
+          encode: '%25',
+        },
+        {
+          code: '?',
+          encode: '%3F',
+        },
+        {
+          code: '#',
+          encode: '%23',
+        },
+        {
+          code: '&',
+          encode: '%26',
+        },
+        {
+          code: '=',
+          encode: '%3D',
+        },
+      ];
+      return key.replace(/[%?#&=]/g, ($, index, str) => {
+        for (const k of encodeArr) {
+          if (k.code === $) {
+            return k.encode;
+          }
+        }
+      });
+    },
     handleSave() {
       if (!this.report.name) {
         this.$warning(this.$t('api_test.automation.report_name_info'));