fast container list by default

[anderbubble]

Summary

Adjust wwctl container list to only report the size of the image by default. Additional arguments may be introduced to query the size of the compressed archive (--compressed-size) and/or the chroot directory (--chroot-size), probably mutually exclusively.

An alternative to #954.

Rationale

wwctl container list takes longer to run than it should. This is because the container list reports size as the combination of the image, the compressed image, and the chroot directory, with sizing the chroot directory taking the most time. This is both confusing and unnecessary.

Description

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Additional information

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General information

• I have searched the issues of this repo and believe this is not a duplicate