Add Docker /v2/_catalog endpoint (#20469)

* Added properties for packages.
* Fixed authenticate header format.
* Added _catalog endpoint.
* Check owner visibility.
* Extracted condition.
* Added test for _catalog.

Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: Lauris BH <lauris@nix.lv>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

routers/api/packages/composer/api.go

@@ -88,7 +88,7 @@ func createPackageMetadataResponse(registryURL string, pds []*packages_model.Pac
 
 	for _, pd := range pds {
 		packageType := ""
-		for _, pvp := range pd.Properties {
+		for _, pvp := range pd.VersionProperties {
 			if pvp.Name == composer_module.TypeProperty {
 				packageType = pvp.Value
 				break

routers/api/packages/composer/composer.go

@@ -227,7 +227,7 @@ func UploadPackage(ctx *context.Context) {
 			SemverCompatible: true,
 			Creator:          ctx.Doer,
 			Metadata:         cp.Metadata,
-			Properties: map[string]string{
+			VersionProperties: map[string]string{
 				composer_module.TypeProperty: cp.Type,
 			},
 		},