Error on startup: "unknown variant `DirectDownload`"

[Josiah "Rebase" Roberts]

Linux dynamic:

error decoding response body: unknown variant `DirectDownload`, expected one of `Forum`, `ModdingSubforum`, `Discord`, `NexusMods`, `Index` at line 39 column 24

Caused by:
    unknown variant `DirectDownload`, expected one of `Forum`, `ModdingSubforum`, `Discord`, `NexusMods`, `Index` at line 39 column 24

Does not crash - impact unknown.

[Iain Laird]

Duplicate of #156