CT 1288 metrics led

Description

Show LED gray initially during run

Improve size of triangle

remove 3rd row from metrics modal

Merge doc from CT-1288 & 1201

Motivation

Background on use case, changes needed

Fixes:

• Items added

Changes:

• changes made

Tests included/Docs Updated?

• Included for each change/fix?
• Passing? (Merge will not be approved unless this is checked)
• Docs updated?
• New packages used/requires npm install?
• Toggle added for new features?