navButtons.swift

struct ItemsListView: View { 
  private var sortButton: some View {
        Button(action: {
            self.showSortSheet.toggle()
        }) {
            Image(systemName: viewModel.sort == nil ? "arrow.up.arrow.down.circle" : "arrow.up.arrow.down.circle.fill")
                .imageScale(.large)
        }
    }
    
   private var layoutButton: some View {
        Button(action: {
            self.itemRowsDisplayMode = self.itemRowsDisplayMode == .compact ? .large : .compact
        }) {
            Image(systemName: itemRowsDisplayMode == .large ? "rectangle.grid.1x2" : "list.dash")
                .imageScale(.large)
        }
    }
}