Disable search engine popup in system specs

Since Chrome 128 there is a Search Engine selection
popup even in headless mode that needs to be accepted.
This leads to Capybara Element not found exceptions during
system specs.

Refs: SeleniumHQ/selenium#14438

templates/spec/support/solidus_starter_frontend/capybara.rb

@@ -7,22 +7,23 @@
 
 Capybara.default_max_wait_time = 10
 
+Capybara.register_driver :selenium_chrome_headless_docker_friendly do |app|
+  browser_options = ::Selenium::WebDriver::Chrome::Options.new
+  browser_options.args << '--headless'
+  browser_options.args << '--disable-gpu'
+  browser_options.args << '--disable-search-engine-choice-screen'
+  # Sandbox cannot be used inside unprivileged Docker container
+  browser_options.args << '--no-sandbox'
+  Capybara::Selenium::Driver.new(app, browser: :chrome, options: browser_options)
+end
+
 RSpec.configure do |config|
   config.before(:each, type: :system) do
     driven_by((ENV['CAPYBARA_DRIVER'] || :rack_test).to_sym)
   end
 
   config.before(:each, type: :system, js: true) do |example|
     screen_size = example.metadata[:screen_size] || [1800, 1400]
-    driven_by :selenium, using: :headless_chrome, screen_size: screen_size
+    driven_by :selenium_chrome_headless_docker_friendly, screen_size: screen_size
   end
 end
-
-Capybara.register_driver :selenium_chrome_headless_docker_friendly do |app|
-  browser_options = ::Selenium::WebDriver::Chrome::Options.new
-  browser_options.args << '--headless'
-  browser_options.args << '--disable-gpu'
-  # Sandbox cannot be used inside unprivileged Docker container
-  browser_options.args << '--no-sandbox'
-  Capybara::Selenium::Driver.new(app, browser: :chrome, options: browser_options)
-end