feat: add auto-close Roo tabs feature

[roomote]

This PR implements the auto-close Roo tabs feature requested in issue #6003.

Summary

This feature adds two new settings that allow users to automatically close tabs that were opened by Roo during file editing operations:

1. Auto-close tabs opened during current task - Closes only the tabs that were opened by Roo during the current editing session
2. Auto-close all Roo tabs - Closes all tabs that were opened or edited by Roo, regardless of when they were opened

Changes

• Added autoCloseRooTabs and autoCloseAllRooTabs settings to the global settings schema
• Created PostEditBehaviorUtils class to handle the tab closing logic
• Implemented tab tracking in DiffViewProvider to keep track of files opened by Roo
• Added FileEditingOptions component to the settings UI for configuring the new feature
• Added message handlers in webviewMessageHandler to handle settings updates
• Updated ExtensionState and WebviewMessage types to support the new settings
• Added translation keys for the new UI section
• Added comprehensive tests for both PostEditBehaviorUtils and FileEditingOptions

Testing

• Unit tests have been added for the PostEditBehaviorUtils class
• Component tests have been added for the FileEditingOptions React component
• All tests are passing
• Manual testing can be done by:
  1. Opening the Roo settings
  2. Navigating to the "File Editing" section
  3. Enabling either of the auto-close options
  4. Using Roo to edit files and observing that tabs are closed after saving

Screenshots

The new settings appear in the Roo settings panel under a "File Editing" section with clear descriptions of what each option does.

Closes #6003

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Important

Adds auto-close Roo tabs feature with new settings, UI components, and tests.

• Behavior:
  • Adds autoCloseRooTabs and autoCloseAllRooTabs settings to globalSettingsSchema in global-settings.ts.
  • Implements tab closing logic in PostEditBehaviorUtils class in PostEditBehaviorUtils.ts.
  • Tracks opened tabs in DiffViewProvider class in DiffViewProvider.ts.
  • Updates webviewMessageHandler in webviewMessageHandler.ts to handle new settings.
• UI:
  • Adds FileEditingOptions component to settings UI in FileEditingOptions.tsx.
  • Updates SettingsView in SettingsView.tsx to include file editing options.
  • Adds translation keys for new settings in settings.json.
• Testing:
  • Adds unit tests for PostEditBehaviorUtils in PostEditBehaviorUtils.spec.ts.
  • Adds component tests for FileEditingOptions in FileEditingOptions.spec.tsx.

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[daniel-lxs]

To be implemented by @felixAnhalt, closing