Destination Azure Blob Storage: save file with correct extension

## Environment
- **Airbyte version**: 0.40.29
- **OS Version / Instance**: macOS
- **Deployment**: Docker
- **Source Connector and version**: Zendesk Ticket
- **Destination Connector and version**: Azure Blob Storage 0.2.0
- **Step where error happened**: Deploy / Sync job / Setup new connection / Update connector / Upgrade Airbyte

## Current Behavior
Files after the sync don't save the extension (csv or json)

## Expected Behavior
*Tell us what should happen.*

## Logs

## Steps to Reproduce
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## Are you willing to submit a PR?

Remove this with your answer.