GSK-1843 Fix push object upload

[Googleton]

Description

This fixes a lot of issues with the various actions from the push feature

[linear]

GSK-1843 Action button on warning on feature is not working (automatically generate a test, get similar examples, ...)

Internal Server Error: no details
Traceback (most recent call last):
  File "/home/bazire/release-test/.venv/lib/python3.10/site-packages/giskard/ml_worker/websocket/listener.py", line 91, in dispatch_action
    info: websocket.WorkerReply = callback(ml_worker=ml_worker, action=action.name, params=params)
  File "/home/bazire/release-test/.venv/lib/python3.10/site-packages/giskard/ml_worker/websocket/listener.py", line 658, in get_push
    object_uuid = push.slicing_function.upload(ml_worker.client)
  File "/home/bazire/release-test/.venv/lib/python3.10/site-packages/giskard/ml_worker/core/savable.py", line 91, in upload
    self.meta = client.save_meta(self._get_meta_endpoint(self.meta.uuid, project_key), self.meta)
  File "/home/bazire/release-test/.venv/lib/python3.10/site-packages/giskard/client/giskard_client.py", line 307, in save_meta
    json = self._session.put(endpoint, json=meta.to_json()).json()
  File "/home/bazire/release-test/.venv/lib/python3.10/site-packages/requests/sessions.py", line 649, in put
    return self.request("PUT", url, data=data, **kwargs)
  File "/home/bazire/release-test/.venv/lib/python3.10/site-packages/requests_toolbelt/sessions.py", line 76, in request
    return super(BaseUrlSession, self).request(
  File "/home/bazire/release-test/.venv/lib/python3.10/site-packages/requests/sessions.py", line 589, in request
    resp = self.send(prep, **send_kwargs)
  File "/home/bazire/release-test/.venv/lib/python3.10/site-packages/requests/sessions.py", line 703, in send
    r = adapter.send(request, **kwargs)
  File "/home/bazire/release-test/.venv/lib/python3.10/site-packages/requests/adapters.py", line 538, in send
    return self.build_response(request, resp)
  File "/home/bazire/release-test/.venv/lib/python3.10/site-packages/giskard/client/giskard_client.py", line 60, in build_response
    raise giskard_error
giskard.client.giskard_client.GiskardError: Internal Server Error: no details

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