BUG - Lo L1A - variables with bad DEPEND_0

[subagonsouth]

Description of the issue

At least two L1A products raise warning when their CDF files are read in. lo_l1a_spin and lo_l1a_star. I think that this is related to not having DEPEND_0 set correctly.

Warnings:
lo_l1a_star:

Warning: Variable shcoarse listed DEPEND_0 as 0, but no variable by that name was found.

lo_l1a_spin:

Warning: Variable shcoarse listed DEPEND_0 as 0, but no variable by that name was found.
Warning: Variable spin_label listed DEPEND_0 as 0, but no variable by that name was found.

This results in cdf_to_xarray just assigning these variables as their own coordinates/dimensions.

Steps to reproduce the issue

No response

Expected behavior (What should happen)

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Actual behavior (What does happen)

No response

Code Snippet:

Code

Additional notes, affected areas, and suggested fixes

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