Calling ipylab from within redun leads to clash

[falexwolf]

We should make sure that ipylab is only instantiated in notebook environments, I think.

Essentially, the whole nbproject should only be instantiated in a notebook environment.

Otherwise people will who import nbproject from within scripts will run into unpredictable issues like the following:

2022-11-13 23:08:04,749:INFO - RuntimeError: There is no current event loop in thread 'ThreadPoolExecutor-0_0'.
Traceback (most recent call last):
  File "/opt/anaconda3/envs/base1/bin/redun", line 11, in <module>
    client.execute()
  File "/opt/anaconda3/envs/base1/lib/python3.9/site-packages/redun/cli.py", line 1037, in execute
    return args.func(args, extra_args, argv)
  File "/opt/anaconda3/envs/base1/lib/python3.9/site-packages/redun/cli.py", line 1648, in run_command
    result = scheduler.run(
  File "/opt/anaconda3/envs/base1/lib/python3.9/site-packages/redun/scheduler.py", line 928, in run
    raise result.error
  File "/opt/anaconda3/envs/base1/lib/python3.9/site-packages/redun/executors/local.py", line 148, in on_done
    self._scheduler.done_job(job, future.result())
  File "/opt/anaconda3/envs/base1/lib/python3.9/concurrent/futures/_base.py", line 439, in result
    return self.__get_result()
  File "/opt/anaconda3/envs/base1/lib/python3.9/concurrent/futures/_base.py", line 391, in __get_result
    raise self._exception
  File "/opt/anaconda3/envs/base1/lib/python3.9/concurrent/futures/thread.py", line 58, in run
    result = self.fn(*self.args, **self.kwargs)
  File "/opt/anaconda3/envs/base1/lib/python3.9/site-packages/redun/executors/local.py", line 27, in exec_task
    return task.func(*args, **kwargs)
  File "/Users/falexwolf/repos/redun-lamin-fasta/docs/guide/workflow.py", line 64, in main
    import lamindb as ln
  File "/Users/falexwolf/repos/lamindb/lamindb/__init__.py", line 66, in <module>
    from . import _check_versions  # executes checks during import
  File "/Users/falexwolf/repos/lamindb/lamindb/_check_versions.py", line 8, in <module>
    from nbproject import __version__ as nbproject_v
  File "/Users/falexwolf/repos/nbproject/nbproject/__init__.py", line 32, in <module>
    _init_frontend()
  File "/Users/falexwolf/repos/nbproject/nbproject/dev/_jupyter_lab_commands.py", line 12, in _init_frontend
    app = JupyterFrontEnd()
  File "/opt/anaconda3/envs/base1/lib/python3.9/site-packages/ipylab/jupyterfrontend.py", line 37, in __init__
    self._ready_event = asyncio.Event()
  File "/opt/anaconda3/envs/base1/lib/python3.9/asyncio/locks.py", line 177, in __init__
    self._loop = events.get_event_loop()
  File "/opt/anaconda3/envs/base1/lib/python3.9/asyncio/events.py", line 642, in get_event_loop
    raise RuntimeError('There is no current event loop in thread %r.'
RuntimeError: There is no current event loop in thread 'ThreadPoolExecutor-0_0'.