Actions before raising this issue

• I searched the existing issues and did not find anything similar.
• I read/searched the docs

Steps to Reproduce

1. Create a new cloud storage location and set a prefix so that all content is stored inside a folder
2. Create a new project, expand the advanced options, and specify the target location as the new cloud storage location
3. Export the project
4. Observe that the exported .zip file is placed in the root of the cloud storage location

Expected Behavior

Any project exports to a cloud storage location should be saved under the prefix specified in the cloud storage location configuration

Possible Solution

No response

Context

No response

Environment

- Azure Blob Storage with hierarchical namespaces enabled
- CVAT Online
- Account Key Authentication (with a connection string)