Multipart Requests fail when using gs-geogig

Description

When using the gs-geogig plugin, multipart requests will fail.
This includes all form requests from Wicket, such as creating a new style.

For example:

This seems to be the same issue as GEOS-7925, but for gs-geogig instead of gs-gws-sqlite.

Environment

None

Assignee

Unassigned

Reporter

Torben Barsballe

Triage

None

Fix versions

Affects versions

None

Priority

Medium
Configure