Files with names containing the "@" (at sign) show "not found"

# Bug report

Files with "@" in the name seem broken and show 404. The "@" is encoded to `%40` but the page does not load.

## OS information

Windows 11, Chrome 128.0.6613.120

## Steps to reproduce

Go to Godot `@GDScript` documentation: https://devdocs.io/godot~4.2-gdscript/ and click on any link, like https://devdocs.io/godot~4.2/classes/class_%40gdscript#class-gdscript-annotation-export

## More resources