[BUG]Application crashes if conversationQuickStarters is undefiend

## Describe the bug

**Filling out this field will help us investigate the issue efficiently. Providing detailed information allows us to set the appropriate priority. We appreciate your cooperation.**
A clear and concise description of what the bug is.

## To Reproduce

**Filling out this field will help us investigate the issue efficiently. Providing detailed information allows us to set the appropriate priority. We appreciate your cooperation.**
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

## Screenshots

If applicable, add screenshots to help explain your problem.

## Additional context

Add any other context about the problem here.

The issue names only conversationQuickStarters and provides no reproduction steps, files, or tests. Start by locating that setting in the TypeScript/React application and reproduce the undefined case; done means the conversation no longer crashes when it is absent.

Written by the indexing model from the issue text.