Missing Folder type for CFBundleDocumentTypes in Info.plist

[Kyle-Ye]

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2. Please include the name of your operating system
3. If you can, steps to reproduce are super helpful

Cursor is missing Folder type for CFBundleDocumentTypes in Info.plist compared with VSCode.

This will break some 3rd party tool which use the LaunchServices NSWorkspace.openURL to open Cursor in a folder.

See https://github.com/Kyle-Ye/MenuHelper/issues/6#issuecomment-2350838878 for detail.