update MDSplus models config w.r.t IMAS-Core/5.6.0 change

Author: olivhoenen

imas/backends/imas_core/db_entry_al.py

@@ -120,7 +120,7 @@ def _setup_backend(cls, backend: str, mode: int, factory: IDSFactory) -> None:
                 # Building the MDS+ models is required when creating a new Data Entry
                 ids_path = mdsplus_model_dir(factory)
                 if ids_path:
-                    os.environ["ids_path"] = ids_path
+                    os.environ["MDSPLUS_MODELS_PATH"] = ids_path
 
         elif backend == "uda":
             # Set IDSDEF_PATH to point the UDA backend to the selected DD version

imas/backends/imas_core/mdsplus_model.py

@@ -322,7 +322,7 @@ def create_mdsplus_model(cache_dir_path: Path) -> None:
             env={
                 "PATH": os.environ.get("PATH", ""),
                 "LD_LIBRARY_PATH": os.environ.get("LD_LIBRARY_PATH", ""),
-                "ids_path": str(cache_dir_path),
+                "MDSPLUS_MODELS_PATH": str(cache_dir_path),
             },
         )
         # Touch a file to show that we have finished the model