Web IDE context header redesign

Merged Paul Slaughter requested to merge 47768-web-ide-redesign-header into master

What does this MR do?

Implements the redesign for the Web IDE context header and back button.


  • This redesign is coupled to the new merge request / branch picker. This will be handled in a separate MR pointing to this branch.
  • This MR will be WIP until both the back button and branch picker are implemented.

Are there points in the code the reviewer needs to double check?

Why was this MR needed?

Screenshots (if relevant)


Does this MR meet the acceptance criteria?

What are the relevant issue numbers?

Closes #47768 (closed)

Edited by Paul Slaughter