[Bug]: Can no download directories

[Hanzo-Huang]

Current Behavior

When downloading directory, it shows download <dirname>.txt

Expected Behavior

Download a directory

Steps To Reproduce

1. in remote server
2. download a directory
3. it shows download a file, and the name is <dirname>.txt

Wave Version

0.12.5 (202511250205)

Platform

macOS

OS Version/Distribution

No response

Architecture

arm64

Anything else?

No response

Questionnaire

• [x] I'm interested in fixing this myself but don't know where to start
• [ ] I would like to fix and I have a solution
• [ ] I don't have time to fix this right now, but maybe later