Fix deserialization logic in ServerGenericResponse class

[coderabbitai]

The deserialization logic in the ServerGenericResponse class is currently overwriting the _data field. The correct subarrays should be assigned to _data and _data2 to prevent data overwrite. Please refer to the discussion in PR #2037 for more details: #2037 (comment)

[drazisil]

This issue was auto-generated and has been open for over a year with no activity. Is this still relevant to the current codebase? If there's no response within 2 weeks, this issue will be closed as stale.