Fix the analytics dashboards QA specs

What does this MR do and why?

Fix the analytics dashboards QA specs:

• Update for new type selector f7e5cdd2
• Update for new filter based query builder e7af74a9
• Fix flaky dashboard selection where the spec would fail if Value Stream Dashboard is enabled.

MR acceptance checklist

Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.

Screenshots or screen recordings

No UI changes.

How to set up and validate locally

1. You need to have the product analytics devkit running locally.
2. Follow this guide on how to setup your local environment to run QA specs.
3. Run the following command in your gitlab/qa directory:

GITLAB_INITIAL_ROOT_PASSWORD=[YOUR_GDK_PASSWORD] \
CI_PROJECT_PATH_SLUG=product-analytics-devkit \
PA_CONFIGURATOR_URL=[YOUR_DEVKIT_DETAILS] \
PA_COLLECTOR_HOST=[YOUR_DEVKIT_DETAILS] \
PA_CUBE_API_URL=[YOUR_DEVKIT_DETAILS] \
PA_CUBE_API_KEY=[YOUR_DEVKIT_DETAILS] \
bundle exec rspec qa/specs/features/ee/browser_ui/8_monitor/product_analytics/create_custom_visualisation_spec.rb

Related to #467666 (closed)