fix: Use execute_query_single for case details (v1.3.83)

- Fix get_case_details using execute_query instead of execute_query_single
- execute_query returns list, execute_query_single returns dict
- Prevents 500 error when loading case details

VERSION

@@ -1 +1 @@
-1.3.82
+1.3.83

app/timetracking/backend/wizard.py

@@ -611,7 +611,7 @@ class WizardService:
                 FROM tmodule_cases 
                 WHERE id = %s
             """
-            case = execute_query(case_query, (case_id,))
+            case = execute_query_single(case_query, (case_id,))
             
             if not case:
                 raise HTTPException(status_code=404, detail="Case not found")