fix: 判断文件是否为二进制文件，忽略文本类型文件 (#5730)

Fixes #5722

backend/utils/files/fileinfo.go

@@ -7,6 +7,7 @@ import (
 	"github.com/1Panel-dev/1Panel/backend/buserr"
 	"github.com/1Panel-dev/1Panel/backend/constant"
 	"io/fs"
+	"net/http"
 	"os"
 	"os/exec"
 	"path"
@@ -335,6 +336,8 @@ func (f *FileInfo) getContent() error {
 }
 
 func DetectBinary(buf []byte) bool {
+	mimeType := http.DetectContentType(buf)
+	if !strings.HasPrefix(mimeType, "text/") {
 		whiteByte := 0
 		n := min(1024, len(buf))
 		for i := 0; i < n; i++ {
@@ -344,8 +347,10 @@ func DetectBinary(buf []byte) bool {
 				return true
 			}
 		}
-
 		return whiteByte < 1
+	}
+	return false
+
 }
 
 func min(x, y int) int {