Revert changes in services related to moving projects

app/models/namespace.rb

@@ -150,7 +150,7 @@ class Namespace < ActiveRecord::Base
   end
 
   def any_project_has_container_registry_images?
-    projects.joins(:container_repositories).any?
+    projects.any?(&:has_container_registry_tags?)
   end
 
   def send_update_instructions

app/models/project.rb

@@ -894,8 +894,8 @@ class Project < ActiveRecord::Base
 
     expire_caches_before_rename(old_path_with_namespace)
 
-    if container_repositories.present?
-      Rails.logger.error "Project #{old_path_with_namespace} cannot be renamed because container registry images are present"
+    if has_container_registry_tags?
+      Rails.logger.error "Project #{old_path_with_namespace} cannot be renamed because container registry tags are present!"
 
       # we currently doesn't support renaming repository if it contains images in container registry
       raise StandardError.new('Project cannot be renamed, because images are present in its container registry')

app/services/projects/transfer_service.rb

@@ -36,9 +36,9 @@ module Projects
           raise TransferError.new("Project with same path in target namespace already exists")
         end
 
-        unless project.container_repositories.empty?
+        if project.has_container_registry_tags?
           # we currently doesn't support renaming repository if it contains images in container registry
-          raise TransferError.new('Project cannot be transferred, because images are present in its container registry')
+          raise TransferError.new('Project cannot be transferred, because tags are present in its container registry')
         end
 
         project.expire_caches_before_rename(old_path)