Fixec AzureResourcePermissions.load to call Installation.load (#962)

Author: qziyuan

src/databricks/labs/ucx/azure/access.py

@@ -87,7 +87,7 @@ def save_spn_permissions(self) -> str | None:
         return self._installation.save(storage_account_infos, filename=self._filename)
 
     def load(self):
-        return self._installation.save(list[StoragePermissionMapping], filename=self._filename)
+        return self._installation.load(list[StoragePermissionMapping], filename=self._filename)
 
     def _get_storage_accounts(self) -> list[str]:
         external_locations = self._locations.snapshot()