Saving Raw file from source view always downloads as .txt by default

Summary

When clicking or saving from the "Raw file" link in Bitbucket Server's source view, the extension is ignored and the file saves/displays as .txt.

Steps to Reproduce

1. Open a .sql file in Source View
2. Right-click "Raw file"
3. Select "Save as"
4. Save file

Expected Results

File is saved as .sql

Actual Results

File is saved as .sql.txt or .txt

Workaround

Clone/Check out the repo and access the file via git