Add an optional performance bar to view performance metrics for the current page

Merged username-removed-128633 requested to merge 29010-perf-bar into master

EE MR at

What does this MR do?

It adds a perf bar (using that can be enabled with the p b shortcut.

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

Why was this MR needed?


The bar


SQL queries & duration (sorted by duration DESC) shown in a modal


RBlineprof modal with syntax highlighting with Rouge


Shortcut documented in the shortcuts modal


Does this MR meet the acceptance criteria?

What are the relevant issue numbers?

Closes #29010 (closed)

Edited by username-removed-128633