fix: correct the bento size to include the size of models

[frostming]

Signed-off-by: Frost Ming [email protected]

What does this PR address?

Fixes #(issue)

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[sauyon]

Should we change the list output to show a separate bento size and model size?

[frostming]

Should we change the list output to show a separate bento size and model size?

Sounds good. Updated