[Shipping Labels] Unequal height for field boxes

[selanthiraiyan]

The heights of the Products and Customs boxes are uneven. It appears that the inner padding of the Products box may be larger than intended.

Internal - pe5sF9-47T-p2

[dangermattic]

🚫 Please add a type label (e.g. type: enhancement) and a feature label (e.g. feature: stats) to this issue.