test(presence): e2e multiprocess tests for latestmap and latest (#25207)

## Description

Fixes
[AB#45901](https://dev.azure.com/fluidframework/235294da-091d-4c29-84fc-cdfc3d90890b/_workitems/edit/45901)

Changes include:

- Remove usage of ExperimentalPresenceManager
- Can command child clients to register for workspaces w/ state objects
- If registered, child clients listen to state object value updates and
notify orchestrator
- Can command child clients to set values for state object
- Ability to command child clients to get specific state object values
and respond to orchestrator
-  New orchestatorUtils.ts file to clean up test file
- New tests:
```
    - 'using Latest state object'
        - "allows clients to read Latest state from other clients"
    - 'using LatestMap state object'
        - "allows clients to read LatestMap state from other clients"
        - "returns per-key values on read"
```

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Co-authored-by: Copilot <[email protected]>

Author: WillieHabi