Refactor (driver): Optimize lock field type

- Changed the `IsLock` field type from `int` to `bool` for better semantics.
- Updated the check logic to use direct Boolean comparisons to improve code readability and accuracy.

drivers/123/driver.go

@@ -55,7 +55,7 @@ func (d *Pan123) Drop(ctx context.Context) error {
 }
 
 func (d *Pan123) List(ctx context.Context, dir model.Obj, args model.ListArgs) ([]model.Obj, error) {
-	if f, ok := dir.(File); ok && f.IsLock == 1 {
+	if f, ok := dir.(File); ok && f.IsLock {
 		if err := d.unlockSafeBox(f.FileId); err != nil {
 			return nil, err
 		}

drivers/123/types.go

@@ -20,7 +20,7 @@ type File struct {
 	Etag        string    `json:"Etag"`
 	S3KeyFlag   string    `json:"S3KeyFlag"`
 	DownloadUrl string    `json:"DownloadUrl"`
-	IsLock      int       `json:"IsLock"`
+	IsLock      bool      `json:"IsLock"`
 }
 
 func (f File) CreateTime() time.Time {