Draft: Fix E2E test service_ping_disabled_spec.rb after method rename

What does this MR do and why?

Fix E2E test service_ping_disabled_spec.rb after method rename

The has_disabled_usage_data_checkbox? method was renamed to has_usage_data_checkbox_checked_and_disabled? in 900542ad

Update the test to use the new method name.

Fixes: https://gitlab.com/gitlab-org/quality/e2e-test-issues/-/issues/750

References

• Fix E2E test service_ping_default_enabled_spec.rb (!195823 - merged)

How to set up and validate locally

$ cd qa
$ bundle exec rspec qa/specs/features/browser_ui/14_analytics/service_ping_disabled_spec.rb

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