Fix incorrect menu/link on webhook edit page (#29709)

Fix #29699

---------

Co-authored-by: silverwind <me@silverwind.io>

routers/web/repo/setting/webhook.go

@@ -588,6 +588,7 @@ func checkWebhook(ctx *context.Context) (*ownerRepoCtx, *webhook.Webhook) {
 		return nil, nil
 	}
 	ctx.Data["BaseLink"] = orCtx.Link
+	ctx.Data["BaseLinkNew"] = orCtx.LinkNew
 
 	var w *webhook.Webhook
 	if orCtx.RepoID > 0 {

tests/integration/repo_webhook_test.go

@@ -0,0 +1,41 @@
+// Copyright 2024 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package integration
+
+import (
+	"net/http"
+	"strings"
+	"testing"
+
+	"code.gitea.io/gitea/tests"
+
+	"github.com/PuerkitoBio/goquery"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestNewWebHookLink(t *testing.T) {
+	defer tests.PrepareTestEnv(t)()
+	session := loginUser(t, "user2")
+
+	baseurl := "/user2/repo1/settings/hooks"
+	tests := []string{
+		// webhook list page
+		baseurl,
+		// new webhook page
+		baseurl + "/gitea/new",
+		// edit webhook page
+		baseurl + "/1",
+	}
+
+	for _, url := range tests {
+		resp := session.MakeRequest(t, NewRequest(t, "GET", url), http.StatusOK)
+		htmlDoc := NewHTMLParser(t, resp.Body)
+		menus := htmlDoc.doc.Find(".ui.top.attached.header .ui.dropdown .menu a")
+		menus.Each(func(i int, menu *goquery.Selection) {
+			url, exist := menu.Attr("href")
+			assert.True(t, exist)
+			assert.True(t, strings.HasPrefix(url, baseurl))
+		})
+	}
+}