Feature Request: Support fallbackSort: { type: 'subgroup-order' } for sorting rules

Feature Request: Support fallbackSort: { type: 'subgroup-order' } for sorting rules: a task in LegoFlow-SWE (Harbor dataset). Currently, 'subgroup-order' is not recognized as a valid fallbackSort.type , so the configuration is invalid or the fallback is ignored. The expected behavior is that…

The task

Currently, `'subgroup-order'` is not recognized as a valid `fallbackSort.type`, so the configuration is invalid or the fallback is ignored. The expected behavior is that `public-get-method` should come before `public-set-method` when they otherwise tie alphabetically, because `public-get-method` appears first in the…

Part of Lego-X/LegoFlow-SWE.