правки по ПР: ключ "extension" вынесен в переменную

pkg/setup/collection.go

@@ -16,6 +16,7 @@ var (
 	ErrInstallCollections      = errors.New("failed to install collections")
 	ErrUninstallCollections    = errors.New("failed to uninstall collections")
 	ErrCollectionAlreadyExists = errors.New("failed to uninstall collections")
+	key                        = "extension"
 )
 
 type CollectionsOption func(c *CollectionConfig)
@@ -157,7 +158,7 @@ func (s *Setup) InstallCollection(ctx context.Context, c CollectionConfig) (setS
 			return false, err
 		}
 	} else {
-		if collection.Schema.Metadata != nil && exist.Schema.Metadata["extension"] != collection.Schema.Metadata["extension"] && !s.IsForce() {
+		if collection.Schema.Metadata != nil && exist.Schema.Metadata[key] != collection.Schema.Metadata[key] && !s.IsForce() {
 			return false, ErrCollectionAlreadyExists
 		}