Refactor package (routes and error handling, npm peer dependency) (#33111)

routers/api/packages/vagrant/vagrant.go

@@ -4,6 +4,7 @@
 package vagrant
 
 import (
+	"errors"
 	"fmt"
 	"io"
 	"net/http"
@@ -230,7 +231,7 @@ func DownloadPackageFile(ctx *context.Context) {
 		},
 	)
 	if err != nil {
-		if err == packages_model.ErrPackageNotExist || err == packages_model.ErrPackageFileNotExist {
+		if errors.Is(err, packages_model.ErrPackageNotExist) || errors.Is(err, packages_model.ErrPackageFileNotExist) {
 			apiError(ctx, http.StatusNotFound, err)
 			return
 		}