use_edge_insets_zero

Replace

• EdgeInsets.all(0)
• EdgeInsets.fromLTRB(0, 0, 0, 0)
• EdgeInsets.only(left: 0, top: 0, right: 0, bottom: 0)
• EdgeInsets.symmetric(horizontal: 0, vertical: 0)

with EdgeInsets.zero.

const edgeInsets = EdgeInsets.all(0);
//                 ^^^^^^^^^^^^^^

const edgeInsets = EdgeInsets.zero;