Mechanical Interfaces cannot be assigned to

For mechanical interfaces, we get an error related to domain mismatch, despite the resource being assigned to the interface being a mechanical domain resource. It looks like all interfaces are electrical.

634.cba05955823e6793.js:1 [Store][allocation:error] {message: 'Domain mismatch: resource (mechanical) != interface (electrical)', code: 'DOMAIN_MISMATCH', partId: 'rbrJS8zgqctZsuf59jUKT', resourceFunctionId: 'pkg.MECHANICAL_MOUNT', interfaceFunctionId: 'a4fdd898-8839-42c9-ad50-7623c58fbd7d.MECHANICAL_MOUNT'}