[#1453] container: Replace sort.Slice with slices.SortFunc

* Replaced `sort.Slice` with `slices.SortFunc` in
  `ListContainersRes.SortedIDList()` as it is a bit faster,
  according to 15102e6dfd.

Signed-off-by: Ekaterina Lebedeva <ekaterina.lebedeva@yadro.com>

cmd/frostfs-cli/internal/client/client.go

@@ -9,7 +9,6 @@ import (
 	"io"
 	"os"
 	"slices"
-	"sort"
 	"strings"
 
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/accounting"
@@ -78,21 +77,6 @@ func ListContainers(ctx context.Context, prm ListContainersPrm) (res ListContain
 // SortedIDList returns sorted list of identifiers of user's containers.
 func (x ListContainersRes) SortedIDList() []cid.ID {
 	list := x.cliRes.Containers()
-	sort.Slice(list, func(i, j int) bool {
-		lhs, rhs := list[i].EncodeToString(), list[j].EncodeToString()
-		return strings.Compare(lhs, rhs) < 0
-	})
-	return list
-}
-
-// ContainerListStreamRes groups the resulting values of ListStream operation.
-type ContainerListStreamRes struct {
-	ids []cid.ID
-}
-
-// SortedIDList returns sorted identifiers of the matched containers.
-func (x ContainerListStreamRes) SortedIDList() []cid.ID {
-	list := x.ids
 	slices.SortFunc(list, func(lhs, rhs cid.ID) int {
 		return strings.Compare(lhs.EncodeToString(), rhs.EncodeToString())
 	})