Name stash to ensure it can be loaded if something fails

[PythonFZ]

ZnTrack/zntrack/project/zntrack_project.py

Lines 395 to 399 in 591f7ff

	finally:
	repo.git.reset("--hard")
	repo.git.clean("-fd")
	if dirty:
	repo.git.stash("pop")

project.create_experiment can - under given circumstances - remove the workspace without being able to recover it easily. The created stash should be given a name for emergency recovery.