webui: Fix selecting generated output issues during active streaming (#18091)

webui: Fix selecting generated output issues during active streaming (#18091)

* draft: incremental markdown rendering with stable blocks

* refactor: Logic improvements

* refactor: DRY Markdown post-processing logic

* refactor: ID generation improvements

* fix: Remove runes

* refactor: Clean up & add JSDocs

* chore: update webui static output

* fix: Add tick to prevent race conditions for rendering Markdown blocks

Suggestion from @ServeurpersoCom

Co-authored-by: Pascal <redacted>
* chore: Run `npm audit fix`

* chore: update webui static output

* feat: Improve performance using global counter & id instead of UUID

* refactor: Enhance Markdown rendering with link and code features

* chore: update webui static output

* fix: Code block content extraction

* chore: update webui static output

* chore: update webui static output

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Co-authored-by: Pascal <redacted>