Only build scratch component for project if present

Author: mwtrew

lib/concepts/project/operations/create.rb

@@ -20,7 +20,7 @@ def build_project(project_hash, current_user)
         project_hash[:identifier] = PhraseIdentifier.generate unless current_user&.experience_cs_admin?
         new_project = Project.new(project_hash.except(:components, :scratch_component))
         new_project.components.build(project_hash[:components])
-        new_project.build_scratch_component(project_hash[:scratch_component])
+        new_project.build_scratch_component(project_hash[:scratch_component]) if project_hash[:scratch_component].present?
         new_project
       end
     end