Migrate linked pipeline angle icon

What does this MR do and why?

Migrate linked pipeline angle icon to chevron icon

Related to: #362808 (closed)

Screenshots or screen recordings

before	after

How to set up and validate locally

Setup a multi-project pipeline https://docs.gitlab.com/ee/ci/pipelines/multi_project_pipelines.html

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.

Related to #362808 (closed)