Ruff-specific array-like settings can be unintuitive when set in the extension

[snowsignal]

Ruff version: v0.4.8 Extension version: 2024.26.0

Let's say you have a Lint > Select setting that looks like this:

which is equivalent to:

[tool.ruff.lint]
select = []

Notably, this is different from the default Lint > Select setting, which is this:

which leaves select without a value, instead of setting it to [].

This subtle difference means that if you remove all entries from Lint > Select but then forget to 'reset' the setting, you've turned off all lint rules, and may not have even realized it.

Ideally, the difference between null and [] for select and other "array-like" settings should be more clear.