… string variables
<!-- This is an auto-generated comment: release notes by coderabbit.ai
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### Summary by CodeRabbit
- Refactor: Updated `GoogleSheetsNodeContent` component to use the
`options` prop instead of `action`, and integrated the `useTypebot` hook
for better functionality.
- Style: Improved UI text and layout in `GoogleSheetsSettings.tsx`,
enhancing user experience when selecting rows.
- Refactor: Simplified rendering logic in `BlockNodeContent.tsx` by
directly calling `GoogleSheetsNodeContent` component, improving code
readability.
- Bug Fix: Enhanced `injectVariableValuesInPictureChoiceBlock` function
to handle different types of values for titles, descriptions, and
picture sources, fixing issues with variable value injection.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
