forgot to commit, so the last layer was not in gpkg_contents

Making it not show up in QGIS.

python/ribasim/ribasim/model.py

@@ -200,6 +200,7 @@ def _write_tables(self, directory: FilePath) -> None:
                 )
                 if isinstance(input_entry, TableModel) and not is_geometry:
                     input_entry.write_table(connection)
+            connection.commit()
 
         shutil.move(temp_path, gpkg_path)
         return