Move javascripts/pipelines to javascripts/ci/pipeline_details

What does this MR do and why?

Move javascripts/pipelines to javascripts/ci/pipeline_details and the ee equivalents.

Screenshots or screen recordings

No images

How to set up and validate locally

Green ppipeline

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.