* fix: update group key handling in issue store utilities for state groups
- Introduced a new function to determine the default group key based on the provided groupByKey.
- Updated references to use the new function for improved clarity and maintainability.
- Adjusted the mapping for "state_detail.group" in the ISSUE_GROUP_BY_KEY to ensure consistency.
- Enhanced the getArrayStringArray method to handle group values more effectively.
* refactor: clean up filters constants
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