The delivery packing wizard now clearly displays weights in kilograms when users use the 'Put in Pack' action. This small usability improvement helps warehouse and delivery teams understand package weights at a glance and reduces ambiguity during packing.

Description of the issue/feature this PR addresses:

Current behavior before PR:

Desired behavior after PR is merged:
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This fixes leave approvals so that only managers can perform the second validation step. It helps ensure time-off requests follow the intended approval chain and reduces the risk of unauthorized approvals.