fix(接口测试): 修复自定义请求前面有空格请求错误的缺陷

--bug=1027697 --user=王孝刚
【接口测试】github#25505，【接口自动化】场景里添加“自定义请求”，请求地址http前有个空格，然后发出去的请求就不对
https://www.tapd.cn/55049933/s/1391702

api-test/backend/src/main/java/io/metersphere/api/dto/definition/request/sampler/MsHTTPSamplerProxy.java

@@ -402,7 +402,19 @@ public class MsHTTPSamplerProxy extends MsTestElement {
                 if (StringUtils.isEmpty(url)) {
                     MSException.throwException("当前步骤：" + this.getName() + " 环境为空，请重新选择环境");
                 }
-                String envPath = url;
+                String envPath = "";
+                try {
+                    URL urlObject = new URL(url);
+                    if (url.contains("${")){
+                        envPath = url;
+                    } else {
+                        sampler.setDomain(URLDecoder.decode(urlObject.getHost(), StandardCharsets.UTF_8.name()));
+                        envPath = urlObject.getPath();
+                    }
+                    sampler.setProtocol(urlObject.getProtocol());
+                } catch (Exception e) {
+                    envPath = url;
+                }
                 sampler.setProperty("HTTPSampler.path", envPath, StandardCharsets.UTF_8.name());
                 if (CollectionUtils.isNotEmpty(this.getRest()) && this.isRest()) {
                     envPath = getRestParameters(URLDecoder.decode(URLEncoder.encode(envPath, StandardCharsets.UTF_8.name()), StandardCharsets.UTF_8.name()));

api-test/frontend/src/business/definition/components/debug/DebugHttpPage.vue

@@ -268,9 +268,6 @@ export default {
     },
     urlChange() {
       if (!this.debugForm.url) return;
-      if (!this.debugForm.url.startsWith("http")) {
-        this.debugForm.url = "http://" + this.debugForm.url;
-      }
       let url = this.getURL(this.debugForm.url);
       if (url && url.pathname) {
         if (this.debugForm.url.indexOf('?') != -1) {
@@ -306,6 +303,9 @@ export default {
         }
         return url;
       } catch (e) {
+        if (!urlStr.startsWith("http") || !urlStr.startsWith("https")) {
+          urlStr = "http://" + urlStr;
+        }
         return urlStr;
       }
     },