Fix corrupted JSON caused by goccy library (#37214) (#37220)

Backport #37214

The only conflict is go.mod

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

modules/json/jsongoccy.go

@@ -1,35 +0,0 @@
-// Copyright 2025 The Gitea Authors. All rights reserved.
-// SPDX-License-Identifier: MIT
-
-package json
-
-import (
-	"bytes"
-	"io"
-
-	"github.com/goccy/go-json"
-)
-
-var _ Interface = jsonGoccy{}
-
-type jsonGoccy struct{}
-
-func (jsonGoccy) Marshal(v any) ([]byte, error) {
-	return json.Marshal(v)
-}
-
-func (jsonGoccy) Unmarshal(data []byte, v any) error {
-	return json.Unmarshal(data, v)
-}
-
-func (jsonGoccy) NewEncoder(writer io.Writer) Encoder {
-	return json.NewEncoder(writer)
-}
-
-func (jsonGoccy) NewDecoder(reader io.Reader) Decoder {
-	return json.NewDecoder(reader)
-}
-
-func (jsonGoccy) Indent(dst *bytes.Buffer, src []byte, prefix, indent string) error {
-	return json.Indent(dst, src, prefix, indent)
-}

modules/json/jsonlegacy.go

@@ -11,7 +11,7 @@ import (
 )
 
 func getDefaultJSONHandler() Interface {
-	return jsonGoccy{}
+	return jsonV1{}
 }
 
 func MarshalKeepOptionalEmpty(v any) ([]byte, error) {