ComboBox icon getting clipped for selected Item

I am using VaadinIcons to add icons to the items in my ComboBox. When the user clicks to view the items in the ComboBox it looks fine (items.png), but when an item is selected it looks like the icon is pused to the left a little and the left side is slightly clipped (selected.png).

Are the icons in VaadinIcons too large? What size to the icons have to be?

Thanks,
Steve
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32202.png