fix pulse issues

[aonnikov]

1. use socialId cache
2. do not show typing for unresolved persons
3. properly reconnect on workspace change
4. use only one pulse connection

[huly-github-staging]

Connected to Huly®: UBERF-13984

[Copilot]

Pull Request Overview

This PR addresses several pulse connection issues by improving the typing indicator functionality and connection management. The changes focus on using cached person data, filtering out unresolved users, and ensuring proper connection lifecycle.

Key changes:

• Replace social ID lookup with direct person ID resolution using cached data
• Add filtering to hide typing indicators for unresolved persons
• Implement workspace-aware reconnection logic and single pulse connection management

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 1 comment.

File	Description
plugins/communication-resources/src/components/TypingPresenter.svelte	Switches from social ID to person ID lookup and filters out unresolved persons
plugins/chunter-resources/src/components/ChannelTypingInfo.svelte	Switches from social ID to person ID lookup and filters out unresolved persons
packages/ui/src/components/internal/RootBarExtension.svelte	Adds workspace-based keying to force component recreation on workspace change
packages/presentation/src/pulse.ts	Refactors connection management to support single connection instance and workspace-aware reconnection