* Add param settings merging into the kwarg func called by the platform

* pep

* fix error in plat

  File "/home/worker/.local/lib/python3.12/site-packages/celery/app/trace.py", line 453, in trace_task
    R = retval = fun(*args, **kwargs)
                 ^^^^^^^^^^^^^^^^^^^^
  File "/home/worker/.local/lib/python3.12/site-packages/celery/app/trace.py", line 736, in __protected_call__
    return self.run(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/worker/.local/lib/python3.12/site-packages/celery/app/autoretry.py", line 60, in run
    ret = task.retry(exc=exc, **retry_kwargs)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/worker/.local/lib/python3.12/site-packages/celery/app/task.py", line 743, in retry
    raise_with_context(exc)
  File "/home/worker/.local/lib/python3.12/site-packages/celery/app/autoretry.py", line 38, in run
    return task._orig_run(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/worker/src/model_execution_worker/tasks.py", line 181, in run
    return fn(self, analysis_pk, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/worker/src/model_execution_worker/tasks.py", line 435, in generate_input
    gen_files_params = OasisManager()._params_generate_oasis_files(**lookup_params)
                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/worker/.local/lib/python3.12/site-packages/oasislmf/computation/base.py", line 147, in get_arguments
    new_settings.pop("computation_settings", {}), {ROOT_USER_ROLE}
                                                  ^^^^^^^^^^^^^^^^
TypeError: unhashable type: 'set'

* Fix loading default fp thats not set

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/worker/.local/lib/python3.12/site-packages/celery/app/trace.py", line 453, in trace_task
    R = retval = fun(*args, **kwargs)
                 ^^^^^^^^^^^^^^^^^^^^
  File "/home/worker/.local/lib/python3.12/site-packages/celery/app/trace.py", line 736, in __protected_call__
    return self.run(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/worker/.local/lib/python3.12/site-packages/celery/app/autoretry.py", line 60, in run
    ret = task.retry(exc=exc, **retry_kwargs)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/worker/.local/lib/python3.12/site-packages/celery/app/task.py", line 743, in retry
    raise_with_context(exc)
  File "/home/worker/.local/lib/python3.12/site-packages/celery/app/autoretry.py", line 38, in run
    return task._orig_run(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/worker/src/model_execution_worker/tasks.py", line 181, in run
    return fn(self, analysis_pk, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/worker/src/model_execution_worker/tasks.py", line 435, in generate_input
    gen_files_params = OasisManager()._params_generate_oasis_files(**lookup_params)
                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/worker/.local/lib/python3.12/site-packages/oasislmf/computation/base.py", line 145, in get_arguments
    new_settings = settings_info["loader"](setting_fp)
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/worker/.local/lib/python3.12/site-packages/ods_tools/oed/settings.py", line 384, in load
    raise OdsException(f'Invalid {self.settings_type} file or file path: {settings_fp}')
ods_tools.oed.common.OdsException: Invalid model_settings file or file path: meta-data/model_settings.json

* f