[Epic][Error Handling V2] Test Run Page Error Handling Improvements

[xoscar]

This is the follow-up epic after finalizing the initial implementation done as part of #2040

Tickets and Tasks

• [Error Handling] - Add calls to the EventEmitter on Trace fetching (STOPPED_INFO event) #2290
• [CLI Improvements] - CLI - Test run command improvements #2153
• [Error Handling] Analytics Events Update #2245
• [Error Handling] Test section improvements #2256
• [Error Handling] Backend - Test section improvements #2257
• [Error Handling] - Stopping a Test Run #2052
• [Error Handling] - Backend - Stopping a Test Run #2183

Outstanding bugs/enhancements after initial v1 release

• [Error Handling] - Test runs take too long to time out when direct trace data store is misconfigured #2327
• [Error Handling] - Small updates for failed test flow #2326
• Race condition not showing all events from the websocket #2340
• [Error Handling] - Enhance trace error handling messaging #2389

Nice to have

• [Error Handling] Event Log text version #2392

Mockups

https://www.figma.com/file/LBN4SKVPq3ykegrPKbHT2Y/0.8-0.9-Release-Tracetest?node-id=1994-32394&t=5M47CI4J8VFbgit2-0