Draft: Tests: use headless=new chrome arg

What does this MR do and why?

Prevents secondary error in tests occurring when using headless chrome:

     5.2) Failure/Error: console = page.driver.browser.logs.get(:browser)&.reject { |log| log.message =~ JS_CONSOLE_FILTER }

          NoMethodError:
            undefined method `logs' for #<Selenium::WebDriver::Chrome::Driver:0x29fcb3b496572ed0 browser=:"chrome-headless-shell">

                  console = page.driver.browser.logs.get(:browser)&.reject { |log| log.message =~ JS_CONSOLE_FILTER }
                                               ^^^^^
          # ./spec/support/capybara.rb:204:in `block (2 levels) in <main>'
          # ./spec/spec_helper.rb:420:in `block (3 levels) in <top (required)>'
          # ./spec/support/sidekiq_middleware.rb:18:in `with_sidekiq_server_middleware'
          # ./spec/spec_helper.rb:411:in `block (2 levels) in <top (required)>'
          # ./spec/spec_helper.rb:407:in `block (3 levels) in <top (required)>'
          # ./lib/gitlab/application_context.rb:68:in `with_raw_context'
          # ./spec/spec_helper.rb:407:in `block (2 levels) in <top (required)>'
          # ./spec/spec_helper.rb:260:in `block (2 levels) in <top (required)>'
          # ./spec/support/system_exit_detected.rb:7:in `block (2 levels) in <main>'
          # ./spec/support/database/prevent_cross_joins.rb:106:in `block (3 levels) in <main>'
          # ./spec/support/database/prevent_cross_joins.rb:60:in `with_cross_joins_prevented'
          # ./spec/support/database/prevent_cross_joins.rb:106:in `block (2 levels) in <main>'

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