SDK patch: Fix invalid types, duplicate methods

This fixes SDK autogen code on the following:
- It generates a bunch of duplicate overloaded methods with same signature. This is NOT allowed in kotlin
- Update the proper return type on some of the methods
- The test for ScoringFnTest and ScoringFunctionRegisterParamsTest is buggy (wrong return type, or something). Disabling it for now, and maybe it might be automatically fixed once the two other points above were fixed by stainless in next autogen

Author: Riandy