Metrics page improvements

Edmundo Santos

We have improved the Metrics page, it should load much faster and be easier and quicker to navigate. Here are the changes:

• Improve formatting of groups on metrics navigation
• Show load shape for each metric on the list
• Improve performance by only loading charts when they are visible

Bugs fixes & improvements

• Fix a bug with some Playwright tests not rendering on Firefox
• Sort organizations by name on the organization dropdown
• Improve behavior and spacing of components on shared test pages