[SRE-26712] Update Agent Tracker UI to display currently running jobs and agents

[Zakaria-Kofiro]

Update Agent Tracker UI to display currently running jobs and agents

The Agent Tracker UI has been updated with the following changes:

• At the project level, the status of running jobs (i.e 4/5 Jobs Running)
• At the job level, the status of running agents (8/10 Agents Running)

Notes:

• The total amount of jobs/agents corresponds to the total subnodes of jobs and agents that are not terminated
  • Filtering to include finished jobs will not change the total running jobs in the UI
  • Terminating an agent will drop the total running agents by one

Screenshots:

All jobs and agents running:

Ramp Paused - 2 Agents Running

Job Stopped - 0 Agents Running

Job recently completed + filtering to include finished jobs

Project Completed (All jobs completed)

New jobs created for the project

Job started - Agents started up

1/5 Jobs Running

Please make sure these check boxes are checked before submitting

• ** Squashed Commits **
• ** All Tests Passed ** - mvn clean test -P default

** PR review process **

• Requires one +1 from a reviewer
• Repository owners will merge your PR once it is approved.

[shawn-h-park]

Lgtm!