fix: all softore leagues in config reference

Author: Ivareh

src/backend_data_retrieval/data_retrieval_app/tests/scripts/create_public_stashes_test_data/config.py

@@ -31,7 +31,7 @@ def dispersed_timing_enabled(self) -> bool:
     @computed_field  # type: ignore[prop-decorator]
     @property
     def SOFTCORE_LEAGUES(self) -> list[str]:
-        return self.SOFTCORE_LEAGUES.split("|")
+        return self.ALL_SOFTCORE_LEAGUES.split("|")
 
     @computed_field  # type: ignore[prop-decorator]
     @property