### TL;DR
feat: show embedding progress in settings panel

### What changed
* show embedding progress in settings panel
* polling embedding status based on RxJS
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Added real-time embedding progress tracking and display in embedding settings, including a visual progress bar and status messages.
- Introduced localized text for embedding progress statuses.
- Added an optional test ID attribute to the progress bar component for improved testing.
- **Style**
- Added new styles for embedding progress UI elements.
- **Tests**
- Added an end-to-end test to verify embedding progress is displayed correctly in the settings UI.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Introduced "Indexer & Embedding" workspace settings to manage AI embedding for local content, including document ignoring and attachment uploads.
- Added UI components for embedding settings, attachments, and ignored documents with pagination and deletion capabilities.
- Provided comprehensive file-type icons for attachments.
- **Improvements**
- Added a new tab for indexing and embedding in workspace settings navigation.
- Included test identifiers on key UI elements to enhance automated testing.
- **Localization**
- Added English localization strings covering all embedding-related UI text and actions.
- **Bug Fixes**
- Enabled previously skipped end-to-end tests for embedding settings to improve reliability.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
### TL;DR
tests: workspace embedding e2e
> CLOSE BS-3052
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Introduced comprehensive end-to-end tests for workspace embedding settings, including toggling embedding, uploading and managing attachments, pagination, and ignoring documents.
- Added utilities for automated interaction with the settings panel and document creation in tests.
- **Tests**
- Implemented detailed scenarios to verify workspace embedding functionality and user interactions within the settings panel.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->