Changes
PR #2005 by ksylvan: I18N: For file manager, Vertex AI, and Copilot errors
- Internationalized file manager, Vertex AI, and Copilot error messages via i18n by replacing hardcoded error strings with translation keys
- Added file manager, Vertex AI, and Copilot i18n keys to all 10 locale files
- Fixed JSON trailing comma syntax errors across all locale files
- Normalized German locale JSON indentation from tabs to spaces
- Updated Bedrock AWS region setup to use
AddSetupQuestionWithEnvName