Preserve Complex Data Types for to_csv

[Jaspvr]

This Pull Request solves the issue outlined in:
#60895

Complex data types like numpy arrays can now be stored in csv format and later recovered.
A new parameter, preserve_complex, is introduces, and when it is set to true in your to_csv function call, the complex data types will be preserved and can be recovered from the csv.

The way this works is by serializing Numpy arrays into JSON format for preserve_complex=True. To get them from the csv, we can set the same parameter in read_csv, and the original Numpy array will be returned.

Please refer to tests in scripts/tests/test_csv.py to see how this is used.

Please refer to the original issue for more information on the problem definition.

[snitish]

@Jaspvr is there an existing issue that this PR addresses? If so, could you list it in the description? If not, please create an issue describing the bug or proposed enhancement so it can be reviewed by a team member.

[Jaspvr]

@Jaspvr is there an existing issue that this PR addresses? If so, could you list it in the description? If not, please create an issue describing the bug or proposed enhancement so it can be reviewed by a team member.

Hey, just updated the description. This is in relation to #60895