Move templates project creation for new team to delayed job [SCI-3101]

app/models/team.rb

@@ -315,7 +315,7 @@ class Team < ApplicationRecord
 
   def generate_template_project
     return if without_templates
-    TemplatesService.new.update_team(self)
+    TemplatesService.new.delay(queue: :templates).update_team(self)
   end
 
   include FirstTimeDataGenerator

app/services/templates_service.rb

@@ -32,6 +32,8 @@ class TemplatesService
     return unless owner.present?
     updated = false
     exp_tmplt_dir_prefix = "#{@base_dir}/experiment_"
+    # Create lock in case another worker starts to update same team
+    tmpl_project.with_lock do
       existing = tmpl_project.experiments.where.not(uuid: nil).pluck(:uuid)
       @experiment_templates.except(*existing).each_value do |id|
         importer_service = TeamImporter.new
@@ -40,6 +42,7 @@ class TemplatesService
         )
         updated = true
       end
+    end
     updated
   end