feat: update component explorer dependencies and add new test fixtures

- Updated @vscode/component-explorer to version 0.1.1-16 and @vscode/component-explorer-cli to version 0.1.1-12 in package.json and package-lock.json.
- Added new test fixtures for chat question carousel, code action list, find widget, inline completions extras, rename widget, and suggest widget.
- Implemented rendering logic for new fixtures to enhance testing capabilities for various components.