Uniform CI status components in vue

What does this MR do?

Uniforms CI status in all vue components

• Removes app/assets/javascripts/vue_shared/pipeline_svg_icons.js since it's repeated with app/assets/javascripts/vue_shared/ci_status_icons.js

• Fixes css class being provided to CI icon

• Creates CI Badge component to render CI Badge and merges

  • app/assets/javascripts/vue_shared/components/pipeline_status_icon.js
  • app/assets/javascripts/pipelines/components/status.js

• Uses CI badge component in all places it was repeated
• Removes app/assets/javascripts/pipelines/components/stage.js since we already have app/assets/javascripts/pipelines/components/stage.vue

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Tests
  • Added for this feature/bug
  • All builds are passing
• Conform by the merge request performance guides
• Conform by the style guides
• Branch has no merge conflicts with master (if it does - rebase it please)
• Squashed related commits together

What are the relevant issue numbers?

Closes #30286 (closed)