[email protected]: fix(CaseOverview): UBO risk indicator title (#3042)

* refactor(CaseOverview): improve tab generation logic

- Replace inline tab logic with a dedicated function
- Ensure 'ubos' case returns the correct tab name
- Maintain existing functionality for other domain tab names

* refactor(CaseOverview): simplify tab generation logic

- Remove unnecessary getTab function
- Use camelCase on the domain string directly

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Co-authored-by: Alon Peretz <[email protected]>