Make wiki pages visit fast (#32732)

(cherry picked from commit b32f0cdfa05c3a0e34425e1b8a5dfa8b63914a01)

Conflicts:
   tests/integration/wiki_test.go
   "Long-Page" is missing as well as the tests package

tests/integration/git_clone_wiki_test.go

@@ -1,49 +0,0 @@
-// Copyright 2021 The Gitea Authors. All rights reserved.
-// SPDX-License-Identifier: MIT
-
-package integration
-
-import (
-	"context"
-	"fmt"
-	"net/url"
-	"os"
-	"path/filepath"
-	"testing"
-
-	"code.gitea.io/gitea/modules/git"
-	"code.gitea.io/gitea/modules/util"
-
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-)
-
-func assertFileExist(t *testing.T, p string) {
-	exist, err := util.IsExist(p)
-	require.NoError(t, err)
-	assert.True(t, exist)
-}
-
-func assertFileEqual(t *testing.T, p string, content []byte) {
-	bs, err := os.ReadFile(p)
-	require.NoError(t, err)
-	assert.EqualValues(t, content, bs)
-}
-
-func TestRepoCloneWiki(t *testing.T) {
-	onGiteaRun(t, func(t *testing.T, u *url.URL) {
-		dstPath := t.TempDir()
-
-		r := fmt.Sprintf("%suser2/repo1.wiki.git", u.String())
-		u, _ = url.Parse(r)
-		u.User = url.UserPassword("user2", userPassword)
-		t.Run("Clone", func(t *testing.T) {
-			require.NoError(t, git.CloneWithArgs(context.Background(), git.AllowLFSFiltersArgs(), u.String(), dstPath, git.CloneRepoOptions{}))
-			assertFileEqual(t, filepath.Join(dstPath, "Home.md"), []byte("# Home page\n\nThis is the home page!\n"))
-			assertFileExist(t, filepath.Join(dstPath, "Page-With-Image.md"))
-			assertFileExist(t, filepath.Join(dstPath, "Page-With-Spaced-Name.md"))
-			assertFileExist(t, filepath.Join(dstPath, "images"))
-			assertFileExist(t, filepath.Join(dstPath, "jpeg.jpg"))
-		})
-	})
-}