$arrDuplicates = @{}
$duplicateItems = foreach ($row in $restoreItems.FullName) {
  if ($arrDuplicates.ContainsKey($row) -and $arrDuplicates[$row] -lt 2) {
    $row
  }
  $arrDuplicates[$row] += 1
}

foreach ($item in $items) {
  if ($item.FullName -in $duplicateItems) {
    $filteredItem = $items | Where-Object {$_.FullName -eq $item.FullName} | Sort-Object DeletedDate | Select-Object -Last 1

    $filteredItem.Restore()
  }
  $items = items | Where-Object {$_.FullName -ne $item.FullName}
}